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Sponsored Jobs
CommentSold Logo
Backend Systems Engineer with CommentSoldSponsored
Remote (USA)$125k - $155k
2 weeks ago

Job Description

Backend Systems Engineer

At CommentSold we are building multiple complex systems to support our core e-commerce and mobile technology stacks, we have systems doing video transcoding, push and SMS messaging, mobile build pipelines and a few other interesting problems.

We’re looking for an experienced backend systems engineer with a strong general software engineering skillset to help build and grow our new systems development. In this role you’ll be driving forward our new backend systems, helping designing and maintaining our existing systems.

Right now the majority of our backend systems which live outside our main web stack are written in Go and/or built on AWS technologies like ECS and beanstalkd. If you have experience with and interest in helping solve some interesting problems where scaling is a real factor this might be the right role for you.

NOTE: At this time, we are only considering candidates located in the USA.

In this role, you will

  • Work on a wide range of problems within our core application
  • Focus on solving problems from both the customer facing and backend perspectives
  • Gain a deep understanding of our product and become involved in driving out product implementation
  • Join a rapidly growing technical team with the opportunity to take on both product and technical problems
  • Our pipeline uses libraries and tooling along with scripts/tools written in languages including python, bash and Go (Golang).

If you’re right for this role, you

  • Have a strong understanding of core computer science principles
  • 2-3+ years backend systems development experience utilizing Go
  • 2-3+ years experience with AWS technologies like ECS and beanstalkd
  • Are organized and have strong time management skills
  • Love solving problems and finding solutions
  • Are self-motivated and self-directing
  • Are comfortable in a fast paced, pragmatic work environment
  • Have worked on a remote team

Perks & Benefits

We are a remote focused team so the majority of your time will be remote. We also provide remote specific benefits: * Coworking space reimbursement budget * Home internet reimbursement budget

Base salary plus annual bonus

Interview Process

  1. Culture fit with People Operations
  2. 30 minute intro call with CTO
  3. 45-60 minute technical call with CTO
  4. Take home coding challenge
  5. Review of your coding challenge with the CTO and our current Pipeline Engineer
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Seldon Logo
Golang Software Engineer with SeldonSponsored
London, United Kingdom£60k - £90k
6 days ago

Job Description

Seldon is looking for a GoLang Software Engineer to join our team. We are focused on making it easy for machine learning models to be deployed and managed at scale in production. We provide Cloud Native products that run on top of Kubernetes and are open-core with several successful open source projects including Seldon Core, Alibi:Explain and Alibi:Detect. We also contribute to open source projects under the Kubeflow umbrella including KFServing.

About the role

Design and build scalable machine learning solutions on top of the open source and enterprise Seldon products. Working on bring the Explainable AI and ML Monitoring available in the Alibi projects into the enterprise products for general use.

Essential skills

  • A degree or higher level academic background in a scientific or engineering subject.
  • Familiarity with linux based development.
  • At least 2 years of experience in industry or academia showing completed projects.
  • Experience with GoLang

Core skills (The role will be focused on these skills so we would expect existing experience or a demonstrable desire to learn these)

  • Experience with Kubernetes and the ecosystem of Cloud Native tools.
  • Experience using machine learning tools in production.

Desired skills (Any of these will be of great interest to us) - A broad understanding of data science and machine learning. - Understanding of explainable AI or machine learning monitoring in production - Familiarity with Kubeflow, MLFlow or Sagemaker - Familiarity with python tools for data science

About our tech stack

Some of our high profile technical projects: - We are core authors and maintainers of Seldon Core, the most popular Open Source model serving solution in the Cloud Native (Kubernetes) ecosystem - We built and maintain the black box model explainability tool Alibi - We are co-founders of the KFServing project, and collaborate with Microsoft, Google, IBM, etc on extending the project - We are core contributors of the Kubeflow project and meet on several workstreams with Google, Microsoft, RedHat, etc on a weekly basis - We are part of the SIG-MLOps Kubernetes open source working group, where we contribute through examples and prototypes around ML serving - We run the largest Tensorflow meetup in London And much more 🚀

Some of the technologies we use in our day-to-day:

  • Go is our primary language for all-things backend infrastructure including our Kubernetes Operator, and our new GoLang Microservice Orchestrator)
  • Python is our primary language for machine learning, and powers our most popular Seldon Core Microservices wrapper, as well as our Explainability Toolbox Alibi
  • We leverage the Elastic Stack to provide full data provenance on inputs and outputs for thousands of models in production clusters
  • Metrics from our models collected using Prometheus, with custom Grafana integrations for visualisation and monitoring
  • Our primary service mesh backend leverages the Envoy Proxy, fully integrated with Istio, but also with an option for Ambassador
  • We leverage gRPC protobufs to standardise our schemas and reach unprecedented processing speeds through complex inference graphs
  • We use React.js for our all our enterprise user products and interfaces
  • Kubernetes and Docker to schedule and run all of our core cloud native technology stack

Benefits

  • London, Cambridge, New York or San Francisco.
  • Share options to align you with the long-term success of the company.
  • Exciting phase of fast-paced start-up challenges with an ambitious team and unlimited potential for professional growth.
  • Access to discounted lunches, gyms, shopping and cinema tickets.
  • Healthcare benefits.
  • Cycle To Work Scheme.

Logistics

Our interview process is normally a phone interview, a coding task, and 2-3 hours of final interview (carried out virtually). We promise not to ask you any brain teasers or trick questions. We might design a system together on a whiteboard, the same way we often work together, but we won’t make you write code on one. Our recruitment process has an average length of 3 weeks.


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Upvest Logo
Senior Backend Engineer (f/m/d) with UpvestSponsored
Berlin, Germany€65k - €85k
12 hours ago

Job Description

At Upvest, we are building the financial infrastructure of tomorrow. Our vision is to create a world in which any asset can be owned and traded digitally by anyone, anywhere. Our bold long-term view is backed by Europe’s largest tech VCs Notion Capital, Partech and Holtzbrinck Ventures. Today, we count 22 talented people from 10 different countries and we want to keep expanding our Upvengers team.

**Your mission:

We are seeking a full-time talented engineer to build strong microservices architectures in Golang. Your goal is to provide the best developer experience of our blockchain API users for digital asset management and issuance.

**This role will give you the opportunity to:

  • Work on different aspects of our API-product portfolio, designing, developing and maintaining services as part of the development team
  • Document designs and usage of API products
  • Develop data processing and storing mechanisms
  • Work on improving the reliability of our API tools, as well as developing innovative tools

**Requirements:

  • At least +3 years of experience and passion about Golang and microservices architecture
  • Strong interest in blockchain integrations
  • Be proactive in learning new stacks and have a high sense of taking ownership
  • Excited to work in a fast-paced and dynamic startup environment

Perks & Benefits

**Why Upvest?

  • Exciting opportunity to build the future of digital securities!
  • A young, dynamic and fast-growing startup with flat hierarchies and open communication
  • As we strongly believe in personal development, we offer private coaching sessions and educational budget
  • A modern office in the heart of Berlin Mitte, a brand-new Mac, flexible working hours, option of working from home, regular off-site events, free drinks/snacks and many more…
  • We measure our performance with the help of OKRs and love to celebrate our successes
  • A relocation package with visa support

Interview Process

We care deeply about providing the best candidate experience, and we provide a quick and efficient recruiting process. As a result, we have an average of 6 days from Apply Date to Offer Stage.

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Form3 Logo
Senior Software Engineer (Go) with Form3Sponsored
100% remote (UK/EU only)€60k - €95k
2 weeks ago

Job Description

THE TEAM

Our awesome Software Engineering team is 100% remote and consists of talented Senior Software Engineers that collaborate across 15 European countries. Our software engineers work in small, highly agile, self-managed teams. They share a common interest in engineering best practices and understand that quality is everyone’s responsibility. Their philosophy is to favour open-source collaborative development – leveraging open-source tools and communities, whilst always making sure to share their know-how back up stream. Put simply, they are cloud-native enthusiasts and DevOps advocates.

THE ROLE

At Form3 you will have the opportunity to design, develop and deploy backend cloud-native services within a powerful state-of-the-art microservices architecture. The work is cutting edge, constantly changing and focused on building highly available, low latency, scalable solutions.

Play an active role in introducing new technologies and ways of working to stay ahead of the competition, without ever compromising on quality. Contribute and collaborate with other engineers on technical and architectural decisions. Enjoy end-to-end ownership from concept to deployment, including building and operating infrastructure, toolset and deployment pipelines. Develop your skills, work on cool projects with the latest tech, all whilst working with a talented, diverse and friendly group of people.

OUR STACK

Go, AWS, Kubernetes, Microservices, Docker, Terraform, Github, Postgres, Redis, CQRS, Prometheus, Vault, Consul, PACT, Linkerd, Elasticsearch, TDD, BDD, Pair Programming.

WE’RE LOOKING FOR ENGINEERS WITH

Passion for cloud-native technologies, modern infrastructures and tools, and keeping up with the latest in engineering best practices

Experience in designing and building distributed, scalable systems

Exposure to public cloud platforms (AWS, GCP etc)

An appreciation of the DevOps culture and the value of automation

Emphasis on code quality and software development best-practice

Polyglots who are comfortable picking up new technologies with a “right tool for the job” mentality

Above all, we’re looking for enthusiastic engineers who love working in a DevOps culture and value teamwork, different perspectives and blending disciplines.

BENEFITS

30 days annual leave plus bank holidays

Remote first environment

Flexible working arrangements

Training tools such as Udemy and educational reimbursements

Full details are available on our careers page

ABOUT US

We are an award-winning cloud-native payment technology provider for financially regulated institutions. Launched in 2016, we’ve doubled in size year on year as we continue to redefine what a truly instant payment experience means.

We celebrate diversity, promote entrepreneurialism and are committed to giving everyone a say in shaping our business. Here you will grow as a person and accomplish incredible things. A career at Form3 is empowering, inspiring and fun. Join us and help shape the future of payments.

EQUAL OPPORTUNITIES

At Form3 we embrace equal opportunity and are committed to building a diverse team of exceptional individuals. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability status and it is our strong belief that the more inclusive we are as a business, the better our work will be.


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X-Team Logo
Go Developer (100% Remote) with X-TeamSponsored
Remote$60k - $90k
4 weeks ago

Job Description

Most important

  • At least 2 years experience in Go development
  • Experience with unit testing
  • Experience with RESTful web services
  • Write well designed, testable, efficient code
  • Expertise in continuous performance measurement throughout the application’s lifecycle
  • Knowledge of logging and log correlation between services
  • Knowledge of AWS services such as Amazon Simple Notification Service (SNS) and Simple Queue Service (SQS), EC2, Lambda

Nice to have

  • Distributed request tracing for profiling and monitoring microservices dependant applications
  • Linux systems engineering experience
  • Working understanding of infrastructure as code
  • Previous experience with: NodeJS, Python, Shell Scripting, Video Streaming technologies
  • Experience developing, monitoring and improving microservice architectures
  • Experience with Node.js
  • Experience working remotely
  • Familiar/involved with open source projects
  • Experience within a continuous integration and deployment (CI/CD) environment

Personal

  • Independent
  • Fluent in English, written and spoken
  • Problem solver
  • Proactive attitude

Perks

  • Get the chance to work with big brands like Riot Games (League of Legends), Sony, Fox Broadcasting, Kaplan Inc. (top education company), Coinbase (#1 crypto exchange), BeachBody (#1 fitness company), etc.
  • Work from anywhere as part of a community of digital nomads.
  • Live and work in one of our roaming hacker houses (X-Outposts) around the world:
  • Be part of the most energizing community for developers in the world by participating in our Seasons, a 3-month experience filled with challenges, rewards, RPGs, competitions, and more, all centered around a theme that will inspire and energize you.
  • Get $2,500 per year (Unleash+) to spend on doing more of what you love and staying energized. Use it on conferences, courses, video games, photography gear, music gear, cooking gear, a gym membership, adventure sports, baby/pet sitting, productivity apps, restaurants, coworking, movie tickets, headphones, etc.

Who is X-Team meant for?

Any freelance developers with experience working on high-scale, remote teams and projects with a motivated, proactive attitude and compassionate, team-player heart. If you’ve worked with freelancing platforms before, that’s not what we are. X-Team is a community of all like minded people, carefully chosen to ensure we are able to create an environment of the most motivated people in the world who come together to unleash their potential. What we’ve created is truly special and not a faceless platform. X-Team is where developers go to feel truly at home together, while becoming more motivated and energized than they’ve ever been.


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20 of 212 Open Source Jobs • Sort by Date
Senior Engineer Data Retrieval with source{d}
Madrid, Spain / Remote€49k - €53k
1 year ago

Job Description

At source{d} we are building the technology stack for the next generation of Machine Learning powered developer tools. We are an open-core company built around our Open Source projects.

We have raised over ten million USD so far, and we are currently growing our team.

This is a remote position however can also be based from our Madrid office.

All remote applicants must be based between the San Fransico and Moscow Timezones

Responsibilities

  • Writing robust and maintainable backend code.
  • Designing new features.
  • Maintain our projects and improve its stability.
  • Supporting internal stakeholders.
  • Supporting our open source community.

Requirements

  • Strong backend coding skills in, at least, two languages.
  • Good algorithmic problem-solving skills.
  • Experience with performance optimization or scaling in volume of data.
  • Strong Linux skills.
  • Experience creating public APIs (REST, gRPC or equivalent).

Preferred Requirements

  • Experience with Linux storage and networking.
  • Experience with distributed systems.
  • Experience with distributed storage.

Team

The Data Retrieval team is developing source{d}’s data retrieval pipelines that synchronize and provide access to any number of code repositories. Written mostly in Go, it aims to be robust, friendly, flexible and capable of running on large-scale distributed clusters over petabytes of data.

We at source{d} seek to be at the heart of any project related to source code. Thus, this core tool is used both in-house for building source{d}’s unique global scale open dataset of +60M code repositories for cutting-edge Machine Learning research, as well as used by our customers to ingest git repositories to their source code processing clusters.

  • Good knowledge of Linux, storage, networking and distributed computing is important.
  • You will be expected to have strong backend coding skills in at least two languages, and very good algorithmic problem-solving skills. Skill at programming in Go is not required but will be highly appreciated. We strongly believe it can be learned by any skilled developer, and we care much more about our team’s mindset and prior experience than specific language skills.

Culture

  • source{d} is a company for developers by developers. We firmly believe in always doing what’s best for the individual developer in the community. Our team consists of members who are passionate about programming. To understand our culture better, read more about it here.
  • At the moment, we are 35+ people from 10 different countries working closely together from our office in Madrid. We are more than happy to sponsor you a visa and guide you and your family through the whole process if you decide to come to work from our office, but you may also choose to work remotely. Currently, we have remote team members in USA, Portugal, Ireland, France, Belgium, Poland, Estonia and Russia.
  • For those wanting to work from one of our offices, we fully support the visa and moving process for you and your family.
  • At source{d}, we have a transparent salary policy which we feel strongly about it. Your seniority level will be determined during the last round of on-site interviews.
  • At source{d} all of the projects we work on are public on GitHub and the vast majority are open-source under licenses such as Apache 2.0 or GPL3.
  • We don’t just believe in open-source, we also believe in radical transparency as an organization, there we publish everything about the company at github.com/src-d/guide.

Perks

  • We go to conferences and other developer events!
  • Open Source Days, every second Monday, you are encouraged to work on any OSS project you choose.
  • Flexible hours, set your own schedule that fits you.
  • Free books. We will buy any books that help you learn & grow.
  • If you choose to work from one of our offices, you will enjoy a comfortable and spacious environment.
  • Annual summer and winter Christmas parties and a hackathon retreat are held in Madrid and all team members are flown over for it.
  • We also have our own, Open Source craft beers.

Other

  • We offer visa and relocation support for those wanting to work in the Madrid office.
  • The local timezone of developers who want to work remotely should be between San Francisco and Moscow.

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source{d} Logo
Lead Infrastructure Engineer with source{d}
Madrid, Spain / Remote€56k - €58k
1 year ago

Job Description

At source{d} we are building the technology stack for the next generation of Machine Learning powered developer tools. We are an open-core company built around our Open Source projects. We have raised over ten million USD so far, and we are currently growing our team.

This position is open to those wishing to work remotely between the San Francisco and Moscow Timezones as well as those who want to work from our Madrid Office.

Role

This position is for a Lead Engineer in the Infrastructure team. The team has currently 3 members.

The Infrastructure team manages multiple clusters:

  • Pipeline clusters, built on bare metal servers at a hosting provider. It has more than 1000 threads, more than 6TB of RAM and 500TB of storage, and it is backed by CoreOS and Kubernetes. It has two main goals: on the one hand, it stores all the available public code in a distributed filesystem and on the other hand, it runs intensive computation jobs over the stored data on top of Apache Spark.

  • Machine Learning research cluster, built on bare metal servers at our Madrid office. It is backed by CoreOS and Kubernetes too and it has GPUs available on every server to run deep learning algorithms.

  • Multiple Google Kubernetes Engine clusters for public-facing services. All clusters are managed with Terraform, Kubernetes and Helm.

The team also maintains several services such as databases, queues, continuous integration, monitoring, logging, etc.

At source{d}, we care about Open Source, which is why we as the infrastructure team we contribute to projects such as Terraform & CoreOS and create our own. We maintain the official Terraform provider for Helm (terraform-provider-helm).

We are looking for someone with a background in Linux, networking and containers, passion for automation and experience working at scale. Finally, knowledge of at least one backend/scripting language who cares about best development practices.


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Developer Advocate with Tigera
Vancouver, San Francisco, San Jose, USA$130k - $150k
1 year ago

Job Description

Dev Advocate

San Francisco/San Jose, California, United States or Vancouver, Canada

Why Tigera?

Ready for an opportunity to make a substantial impact with a disruptive tech company while building your Developer Advocate career in the rapidly growing Kubernetes ecosystem?

Come and join the amazing team behind Project Calico, the leading open source container networking and network security solution, and regular contributors to other open source ecosystem projects including Kubernetes and Istio.

We have thousands of companies around the planet using our software daily to run their mission-critical applications, including some of the largest SaaS, financial services, gaming, and retail companies where performance, scale, and security are essential to the business. All the four large public cloud providers (AWS, Azure, Google & IBM) have chosen Calico for Network Security for their managed Kubernetes Services. Docker EE 2.0 Kubernetes ships with Calico bundled (batteries included) & we are fully integrated with other major distros including RedHat OpenShift and the Canonical Distribution of Kubernetes.

Role Description

As a Tigera Developer Advocate you will have the exciting opportunity to help drive the growth and shape the future of the Calico and Kubernetes user and contributor community. In this highly technical role, you will be an ecosystem influencer and champion of users’ needs. You will work to build relationships and deeply understand and improve people’s adoption journeys by driving activities ranging from inspiring users with the latest technology advancements and best practices to identifying and removing the friction points getting in their way.

What you will do

  • Blogging, learning, trying, coding, demonstrating, documenting, instrumenting, educating, speaking, advocating!
  • Connect online and face-to-face with user group members to build personal relationships and deeply understand their needs, usage, journeys, and barriers to adoption
  • Produce high quality technical “how-to” content (blogs, webinars, talks) addressing common user needs, latest technology advances, and emerging best practices
  • Present at meetups, conferences, and other ecosystem events
  • Write code where required to support how-to content or presentations
  • Build and nurture relationships with fellow ecosystem influencers and open source leaders
  • Support our user group through regular office hours and community slack channels
  • Monitor user group growth and health, tracking metrics and running regular user group surveys
  • Seek out an understanding of the friction points getting in users’ way and launch & own programs to remove them
  • Produce case studies, webinars, and podcasts featuring real users
  • Proactively use Twitter and other social media channels to share your ideas and grow your ecosystem influence
  • Travel regularly within the US, and occasionally internationally, to attend or present at conferences, workshops, meetups, and other ecosystem events

About you

  • 5 years of dev advocate, dev or devops experience
  • Experience using and contributing to open source software
  • Experience using Linux (your favorite window is a terminal)
  • Experience developing for or operating Kubernetes or similar modern orchestration environments
  • Excellent interpersonal and communication skills
  • Positive attitude and the ability to be proactive, resourceful and flexible
  • Desire to collaborate with, learn from, and inspire others
  • Ability to work as a self-starter with minimal guidance
  • Continual learner who thrives on figuring out new technology
  • A bias for action with an ability to iterate rapidly to produce results
  • Previous experience working in early stage company

Sound like an opportunity where you would thrive and grow? More importantly, could this be the right next step in reaching your career goals? Reach out to us and let’s explore whether this role is the right fit for you.

BENEFITS Tigera is an early-stage startup, well funded by top-tier VCs. We offer a competitive compensation package along with full health, vision and dental benefits. We believe in a collaborative, flexible work environment based on respect for, and commitment from, every employee. These benefits, coupled with an amazing team of individuals who believe in our mission and value openness, collaboration and teamwork, make Tigera an awesome place to work.

Apply for this job Tigera, Inc does not discriminate on the basis of race, sex, color, religion, age, national origin, marital status, disability, veteran status, genetic information, sexual orientation, gender identity or any other reason prohibited by law in provision of employment opportunities and benefits.


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Beats - Golang Engineer with Elastic
Remote£116K - £125K
2 years ago

Job Description

At Elastic, we have a simple goal: to solve the world’s data problems with products that delight and inspire. As the company behind the popular open source projects — Elasticsearch, Kibana, Logstash, and Beats — we help people around the world do great things with their data. From stock quotes to Twitter streams, Apache logs to WordPress blogs, our products are extending what’s possible with data, delivering on the promise that good things come from connecting the dots. The Elastic family unites employees across 30+ countries into one coherent team, while the broader community spans across over 100 countries.

The Beats platform is the basis for building open source shippers that collect all kinds of operational data, store it in Elasticsearch, and visualize it with Kibana. They collect data from edge servers, and are used to power application monitoring, infrastructure monitoring, and network monitoring. We currently have five official Beats: Filebeat for gathering logs, Packetbeat for network traffic, Metricbeat for metrics, Winlogbeat for Windows event logs, Heartbeat for uptime monitoring, and Auditbeat for audit data. In addition, the open-source community has created over 40 Beats, collecting data from all sorts of sources.

All current Beats are written in Golang.

As part of the Beats team, you will be responsible for maintaining the official Beats, for creating new ones, as well as for supporting the community around Beats. The team is diverse and distributed across the world, and collaborates on daily basis over Github, Zoom, and Slack.

  • Write open source Golang code for maintaining different Beats.
  • Dive into new technologies and figure out how to best monitor them.
  • Define and create new Beats.
  • Work with our support team to help customers.
  • Answer community questions.
  • Collaborate with other development teams, quality engineering team and documentation team to execute on product deliverables.

Skills you will bring along

  • BS, MS or PhD in Computer Science or related engineering discipline and 3+ years of industry experience.
  • Experience creating system level software on Unix and/or Windows platforms. Windows programming experience would be great to have.
  • Experience in Golang programming is a big plus, but not strictly required. Our team can teach you and get you up to speed.
  • Strong experience having worked with C/C++ or other low level programming languages.
  • Operational experience with monitoring systems would be very welcome.
  • Excellent verbal and written communication skills, a great teammate with strong analytical, problem solving, debugging, and troubleshooting skills.
  • Ability to work in a distributed team throughout the world.
  • Knowledge and experience in Elasticsearch, Logstash, Distributed Systems is a plus.

Additional Information:

  • Competitive pay and benefits
  • Stock options
  • Catered lunches, snacks, and beverages in most offices
  • An environment in which you can balance great work with a great life
  • Passionate people building great products
  • Employees with a wide variety of interests
  • Your age is only a number. It doesn’t matter if you’re just out of college or your children are; we need you for what you can do.
  • Distributed-first company with employees in over 30 countries, spread across 18 time zones, and speaking over 30 languages! Some even fly south for the winter :)

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FingerprintJS Logo
Senior Go Developer with FingerprintJS
Fully Remote$60k - $120k
1 month ago

Job Description

FingerprintJS is a fully remote company with a strong open-source culture. We work on turning radical new ideas in the fraud detection space into reality. Our products are developer-focused and our clients range from freelancers to publicly traded companies.

Our team is small, ambitious and globally distributed (from Argentina to Russia). We’re both very technical and very friendly.

We’re looking for an experienced engineer to help us build a high accuracy online fraud prevention service. Someone who has experience building fast systems and APIs.

It’s a research-heavy, low-level position for an inquisitive mind.

What we’re looking for 👀 :

  • * Good understanding of networking protocols.
  • Experience building scalable infrastructure on AWS.
  • Excellent understanding of Internet security & privacy mechanisms.
  • Proven experience of API architecture and implementation.
  • Fluent English.
  • Don’t be afraid to apply even if you’re missing a few bullet points in there!

Ideally we would love to have someone who also has:

  • Historical record of open-source contributions.
  • Security / Cryptography background.
  • Rust experience.

Our stack:

  • AWS (Lambda, Elastic Beanstalk, RDS, DynamoDB).
  • PostgreSQL.
  • Docker.

What we offer:

  • Small team, lean hierarchy and no politics.
  • Budget for learning. We want you to grow with us, so we offer a $600 yearly budget that you can spend to learn new stuff (books, conferences, subscriptions, etc.).
  • Freedom to grow and experiment. Work on open-source projects and try new things and ideas.
  • Ability to influence the product development and quickly grow within the company.
  • Stock options.
  • We highly encourage people from underrepresented groups in tech to apply.

To apply, send your CV with your GitHub profile and an answer to the below questions to [email protected]

  • How have you contributed to open-source?
  • How would you represent a mathematical vector in Golang? Please provide a basic implementation that supports core operations (cross product, dot product etc).

We encourage people without degrees to apply: we believe that what you’ve worked on and achieved is way more important than on-paper qualifications.


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Senior Software Engineer, SDK with Tendermint
Toronto / San Francisco, USA / Berlin, Germany$100k – $150k
2 years ago

Job Description

We’re looking for someone who has: - At least 5 years of software engineering experience. - Significant experience writing Golang. - Built an open source framework for software development. - Significant open source software contributions. - Experience working in an agile development environment. - The ability to take ownership and see initiatives through. - Worked with and mentored junior engineers. - Exceptional communication skills. - Experience working with distributed teams.

What your primary responsibilities will be: - Improve the SDK codebase by committing DRY, well tested code. - Work with the SDK team to triage tickets and move the project forward. - Review pull requests and provide valuable feedback to members of the team and open source contributors. - Mentor junior engineers and support the growth and health of the team. - Help with developer adoption by supporting projects using the SDK. - Participate in developer discussion forums and work to improve the usability based on user feedback. - Promote the SDK by publishing blog posts and guides.

What we offer: - The opportunity to build the future of the internet. - An exciting role building open source software. - Flexible work schedule. - At least 4 weeks of paid vacation. - Very competitive salary, including equity.

About our application process:

Qualified candidates can expect to go through a 4 step interview process. The first interview will be a call to assess cultural fit and to make sure our goals are aligned.

If we think there is a good fit, you’ll have a call with one of our project managers to learn more about your skills and attitudes toward teamwork. If it’s clear that you’d be a good addition to the team, we’ll ask you to complete a technical task for which you will be compensated.

If your technical task displays a high level of quality and care we will set up a final interview with our CEO or CTO.

The process can take up to 3 weeks.

How to apply: To apply, please fill out this form: https://goo.gl/forms/jpdRI1wD8pdfoqKl2


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Software Engineer, Go Language Platform with Uber
San Francisco, CA, USA$95k - $155k
2 years ago

Job Description

We’re changing the way people think about transportation. Not that long ago we were just an app to request premium black cars in a few metropolitan areas. Now we’re a part of the logistical fabric of more than 600 cities around the world. Whether it’s a ride, a sandwich, or a package, we use technology to give people what they want, when they want it.

For the people who drive with Uber, our app represents a flexible new way to earn money. For cities, we help strengthen local economies, improve access to transportation, and make streets safer.

And that’s just what we’re doing today. We’re thinking about the future, too. With teams working on new modalities, self-driving cars and even urban air transportation, we’re in for the long haul. We’re reimagining how people and things move from one place to the next.

Hi! We’re the Go team at Uber. You might recognize us from such classics as zap, fx,go-torch, and Go Profiling and Optimization.

As part of the Go team you’ll join a group of language experts solely focused on improving the quality, performance and stability of Go code across the company and the broader open-source community. You’ll work with some of the most talented, high-velocity engineering teams and ensure that the most pressing development problems are solved, and the solutions are reusable for engineers everywhere in the organization. The code you build and maintain will be at the heart of critical systems across Uber, from infrastructure to user-facing products and services. You’ll empower a large and quickly-growing engineering organization to do its best work and deliver high-quality products quickly. You’ll ensure that moving fast doesn’t mean sacrificing stability, quality, performance or maintainability. And along the way, you’ll get to shape the very future of engineering at Uber.

We need passionate, skilled developers who can think at both the code and organizational levels, engineers who care deeply about building systems and libraries the right way, who are eager to take on ownership of business-critical code, and who are opinionated and uncompromising in their pursuit of technical excellence.

Responsibilities

  • Design, develop and maintain world-class Go tools and packages.
  • Drive the development of Go standards, practices and education.
  • Build Uber’s Go open-source presence.
  • Design and build infrastructure to help teams measure and improve development velocity.
  • Work closely with engineers across the company to solve critical software development problems in principled and reusable ways.

Requirements

  • Solid understanding of Go, including common toolsand best practices.
  • Experience building reusable tools, packages and software patterns for developers.
  • Background in infrastructure and distributed systems.
  • Passion for software quality, including testing, code review, and documentation.
  • Desire to contribute to open source.
  • Strong cross-team communication skills.
  • B.S., M.S., or Ph. D. in Computer Science or equivalent work experience.

Desired

  • Experience working on distributed software projects in a large organization.

  • Experience leading, contributing to, or maintaining open-source projects.

  • Experience as a technology-specific speaker or evangelist.

Be sure to check out the Uber Engineering Blog to learn more about the team.


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Open-Source Software Engineer with Datadog
New York City, USA / Paris, France / Remote$62k - $116k
2 years ago

Job Description

Datadog is building a world-class APM product that traces requests as they flow across complex systems. We are looking for an expert Go developer who can help push our tracing tools to the next level. Come and join us to build amazing open source software.

What you will do

  • Write open source code that instruments thousands of distributed applications written in Go around the world.
  • Drive our open source Go projects and engage with the community to find and address the most important challenges.
  • Join a great team building software the right way.

Who you must be

  • You’re a master Go programmer. You’ve written high-performance and concurrent applications, know your way around go tool pprof. You don’t reinvent the wheel but you prefer keeping your code concise and efficient.
  • You are a great community ambassador and can drive hard technical conversations towards a good solution.
  • You want to work in a fast, high growth startup environment.
  • You have a BS/MS/PhD in a scientific field.

Bonus Points

  • You have significant experience with Python, Java, JavaScript, Ruby or PHP.
  • You have have experience with code telemetry and introspection.
  • You have experience with distributed systems.

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Software Engineer with Pivotal
London, United Kingdom£60k - £75k
1 year ago

Job Description

Always be kind: a simple daily affirmation and one that feels more like a personal mission statement than a corporate motto – but Pivotal isn’t just any corporation. Underpinning our world-class capabilities in cloud-native software delivery and agile development methodologies is one common thread: empathy. Not only do we want to transform the way the world builds software, we also want to make sure that sustainable pace, kindness, and diversity are at the core of every enterprise.

Known for taking an iterative approach, our 2000+ employees are empowered every day to help shape the way we build software. Pivotal is committed to open source, a diverse culture, and fostering safe spaces for all of our individual employees.

*You*

You are looking for a collaborative environment building distributed systems that enable enterprises to focus on their business rather than re-architecting a cloud platform from scratch. Pair programming has always been something that you wanted to try out.

Furthering your education has always been a goal of yours. Learning new programming languages and getting to work with Golang piques your interest.

Contributing to open source software makes you feel good about the transparency it brings to an organization’s code quality.

*Us*

Agile concepts are at the core of our process. We have a whole host of Pivotal Practices around Test Driven Development, pair programming, team retrospectives, technical retrospectives and continuous integration. We are excited to teach these to you and innovate with you on their implementation.

We stick to a strict 8 hour a day schedule (with flexible start and end times). Although on-call rotations are part of most teams, incidents are exceedingly rare.

We pair in small teams of 4 - 8 people in our London office, conveniently located at Old Street. We use Slack to stay connected and Tmux for pairing. We are working hard to make sure that our distributed teams function as smoothly as our distributed systems.

You’ll rarely be alone when developing; from pairing all day to 1 on 1 time with your manager, there is always a Pivot there to lend a helping hand. Mentorship from senior engineering leadership is built right into our process - you’ll always be empowered.

Making an investment in each Pivot’s professional development improves the organization as a whole. We encourage you to go to conferences or purchase those pricey O’Reilly books - and we’ll give you a budget each year to do it.

*Your Day*

As cliche as it may sound, every day is completely different from the next. We have a general framework for what our day looks like and the majority of it will be spent with your pair:

9:06 AM - Office-wide stand-up to build office cohesion and start the day off together.

9:10 AM - Team standup - discuss any blockers, choose pairs, maybe even tell a joke.

9:30-12:30 PM - Start pairing, tackle an open GitHub issue and open a pull-request.

12:30-1:30 PM - Lunch! Grab food from one of the many nearby restaurants, run an errand, or join a book club.

1:31-6:00 PM - Get back with your pair and start an acceptance test for a big feature.

While that schedule does look busy, don’t worry - we take ample breaks throughout the day. Take a walk to get boba, read a book on the balcony, play a game of ping pong, or chat with co-workers at the snack bar. Sustainable pace is held in high regard. We know there is a life outside of work, we want you to be able to spend time with family and friends.

*Desired Skills / Experience*

We know from experience that not ticking every box on the skills sections stops many from applying. You should apply regardless of your self-assessment because we want to hear from you.

  • Ability to dive into a large polyglot codebase and contribute as you learn
  • Being okay with the uncomfortable feeling that comes from learning new things
  • Interest in exploring new programming paradigms, languages, and patterns
  • Demonstrable ability to research problems and break them into discrete parts

*Nice to Haves*

  • BA/BS in Computer Science or related field
  • Operations or Systems Administration experience, particularly on UNIX
  • Worked with large Go/Ruby/Rails codebases
  • Used Test Driven Development (TDD) extensively
  • Worked in a pair programming environment
  • Contributed to an open source project
  • On-call experience with production grade systems
  • Has mentored others in a professional setting

Cloud Foundry engineers participate in an on-call rotation with their team to support software they work on.

Pivotal is an Equal Employment Opportunity employer that will consider all qualified applicants, regardless of race, color, religion, gender, sexual orientation, marital status, gender identity or expression, national origin, genetics, age, disability status, protected veteran status, or any other characteristic protected by applicable law.


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Qonto Logo
Backend Engineer with Qonto
Paris, France€50k - €85k
3 months ago

Job Description

Our mission is to create the most amazing banking experience for SMEs through technology, elegant design, and an outstanding sense of customer care. At Qonto, we believe that great services come from great thinkers, that’s why we strive to provide an environment that will allow you to feel comfortable and help you excel in your work (read more about our method).

Alexandre and Steve launched Qonto in July 2017, and the team reached great achievements since then:

  • Market leader for online SME banking in Europe

  • 75,000 SME clients

  • Outstanding customer satisfaction (App Store | Google Play | TrustPilot)

  • Recognized as one of the best startups to work at (Wired | LinkedIn)

  • €136 million raised

  • International investors with a solid fintech experience

  • And 200+ happy Qontoers helping us building the bank of our dreams (just that!)

Our values:

  • Ambition | We tackle big challenges no matter what

  • Teamwork | We create magic by collaborating at the same speed

  • Mastery | We pursue excellence through continuous learning and by facing challenges humbly every day

  • Integrity | We are transparent and trustworthy with our clients and each other

As part of the tech team, you will join a crew of experienced engineers working on crafting the best possible user experience and building a highly scalable code base. Our stacks are Ruby and Go for the backend; EmberJS for the frontend; Kotlin and Swift for the mobile. Our tools/stack include Kafka, Kubernetes, ELK, AWS services and all the good stuffs you could think of!

As a Software Backend Engineer, you will work on improving and scaling the most sensitive piece of Qonto infrastructure. You will ensure the safety and robustness of systems handling hundreds of thousands of complex requests a day. You will also work on shipping innovative new banking features for an exponentially growing user base.

⛳️Your responsibilities

  • Architect and develop the services: You will enrich our APIs through maximum resilience
  • Develop the architecture: You will improve microservices architecture of our API
  • Supervise the technical aspect: You will be responsible for the technical aspect of our backend and participate in complex conception issues
  • Maintain a high level of quality: You will implement various test suites to ensure the quality of the system.
  • Improve technical solution: You will make your work very scalable, strongly robust and highly secured
  • Consolidate data: You will Integrate data coming from different sources (including banking APIs and SaaS APIs)
  • Share knowledge: You are willing to participate in the development of our open-source and internal tools

🏅About You

  • Experience: You have 5+ years experience as a software engineer and you had exposure to architectural patterns of a large, high-scale web applications and micro-services
  • Mastery: You have a strong knowledge and experience in Go, Ruby, Java, Python, C or Scala
  • Problem solver: You are pragmatic and solution-oriented
  • Make an impact: You want to build an innovative product to be used by thousands of users
  • Best Practices: You work in an organized manner with test coverage, and other best practices
  • Curiosity: You are a curious and open-minded developer, open to working on both Go and Ruby
  • Team player: You have good communication skills and you know how to work with a team
  • Languages: You are fluent in English. French is a plus.

🤔 What you can expect

  • Joining a team of more than 35 highly skilled backend engineers
  • The possibility to work 100% remotely (depending on your profile and current situation)
  • Contributing to the creation of multiple banking services used by thousands of client in 4 different countries
  • Taking part on creating a scalable Core Banking System that provides stable and secure banking accounts
  • Working on open source projects to contribute to your stack’s community
  • Participating and organizing numerous events (Meet-ups, Talks, conferences…) to make Qonto’s engineering culture even stronger and recognized around the globe

🎁 Perks

  • You got it: helping you succeed is our #1 priority. We have put together several perks to make your life easier and more will unlock as Qonto grows further 🤗

  • Team

  • 3,200 sqm fully-renovated building near Opera with WeWork services

  • Monthly team events, and yearly offsite (Barcelona, Sicily… what’s next?)

  • Free coffee, snacks in the kitchen and a budget allocated to managers for small team events

  • The latest in Apple’s equipment

  • Qonto’s benefits

  • 1 day of remote work per week

  • 5 to 10 days off in addition to the legal 25 days

  • A Qonto Card that you can use as for lunch

  • Access to thousands of gyms and activities for 10-30€ a month, through our partnership with Gymlib

  • Relocation package and visa sponsorship for international talents (we have 25+ nationalities based in Paris!)

  • Special parenthood policy (we are part of the Parental Act program)

💪 Hiring process

  • What to expect from our hiring process?

- A 60 min video-call with one of our talent acquisition managers to better understand your career plan and answer any of your questions

- A 60min interview with your future manager to create a strong alignment on what he’ll expect from you, and tell you more on his way to operate

- An exercise to evaluate your hard skills and understand how you see the world

- Onsite interviews with future team members to help you project yourself

- A final interview with the manager of your future department

  • On average our process lasts 20 working days and offers usually follow within 48 hours 🤞

Thank you for considering to join Qonto. We cannot wait to learn more about you!

If you want to learn more about us: Our Method | Qonto’s Blog | TechCrunch |


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Spacemesh Logo
Blockchain Developer with Spacemesh
Remote$100k - $120k
6 months ago

Job Description

Spacemesh is a fairly mined cryptocurrency which is permissionless, trustless, secure and race-free. Spacemesh is built and distributed as a full open source project and all software work done for Spacemesh is contributed to the world as a commons under a permissive software license.

To get a full sense of the project’s motivation, vision, and scope, please read the protocol dev docs, watch or listen to Spacemesh – The Space-Time Consensus Blockchain, Proof of Space Time and Better Decentralization and explore our Github repos.

We are looking for a strong software developer who is passionate about the blockchain space, enjoys designing and writing software, who’d like to join the Spacemesh core dev team and work full time on the core Spacemesh software platform. Join us at the forefront of the next major tech disruption - programmable Internet money via decentralized consensus on computations.

We work in a flat, open organization where each team member is responsible to his peers for the quality and the delivery of major platform components, participates as an equal in all software design discussions and works closely with the Spacemesh researches and the open source community.

This is a full-time position is WFH / remote.

Responsibilities

  • Own the design, implementation and maintenance of one or more core software components of the Spacemesh cryptocurrency.
  • Work closely with other core developers on the team and with our research team on the design of Spacemesh software components.

Must haves

  • Good command of the GO programming language.
  • B.Sc. in Computer Science.
  • Good spoken English communications skills.
  • 2 years of prior work experience (not necessarily in the blockchain space)
  • Fast learner, able to quickly learn the applicable complex and new technologies.
  • Possess a combination of exceptional algorithmic/theoretic CS skills, strong hands-on system programming skills and the mentality and capability to start writing production-quality code in GO programming language quickly.

Nice to haves

  • Familiarity with blockchain tech.
  • Participation in open source projects.
  • Experienced with designing and developing network protocols.
  • M.Sc. in Computer Science or equivalent.
  • Familiarity with applied cryptography.

Think you are a good fit and excited to hear more? We’d love to hear from you. Please send your resume to [email protected]


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Golang Engineer with Seldon
London, United Kingdom£40k - £60k
1 year ago

Job Description

Seldon is looking for a Golang Developer to join our team. We are focused on making it easy for machine learning models to be deployed and managed at scale in production. We provide Cloud Native products that run on top of Kubernetes and are open-core with several successful open source projects including Seldon Core and Alibi. We also contribute to open source projects under the Kubeflow umbrella including KFServing.

Your role at Seldon would be:

  • Design and build scalable ML solutions on top of the open source and enterprise Seldon products
  • Deliver end-to-end technical expertise throughout the lifecycle of enterprise client-facing projects

Required skills:

  • A degree or higher level academic background in a scientific or engineering subject.
  • Strong computer science and system architecture foundations.
  • Familiarity with linux based development.
  • Experience architecting/applying technology to solive real world challenges.
  • Experience delivering production-level client-facing projects.
  • Experience with Kubernetes and the ecosystem of Cloud Native tools.
  • Experience using machine learning tools in production.

Benefits:

  • Share options to align you with the long-term success of the company.
  • Exciting phase of fast-paced start-up challenges with an ambitious team and unlimited potential for professional growth.
  • Access to discounted lunches, gyms, shopping and cinema tickets.
  • Healthcare benefits.

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Cloud Engineer | Kubernetes Engineer with Container Solutions
Berlin, Germany€50k - €75k
2 years ago

Job Description

Why this job matters

IT has become the core asset for most businesses. Our Cloud Native engineers guide our clients through this increasingly complex IT landscape. We build confidence with cloud technologies and help clients transition to a modern architecture. Our engineers also work with Cloud Native vendors on next-generation open-source tools.

What we look for

  • Background in development or operations; we’re open to junior or senior engineers.
  • Experience with at least one programming language and/or scripting (e.g. Go, Java, Python, C++, Bash).
  • Experience with microservices (e.g. CI/CD tools, technologies like Docker, Kubernetes, Mesos) is valuable, but it’s not mandatory. Most of our engineers didn’t have Kubernetes experience when they joined. Learning is part of your job.
  • Beeing a Certified Kubernetes Administrator and/or Certified Kubernetes Application Developer is valuable, but it’s not mandatory.
  • We are cloud agnostic. Any cloud experience (AWS, Google, Azure) is a plus.
  • Cloud automation and infrastructure provisioning (Terraform, Ansible, Cloud Formation etc).
  • We value consultancy skills and community work, such as open-source contribution, meetups and conference talks, and/or blogging. We’re more than just engineers.

Why apply

You’ll be in charge of shaping a new IT architecture for some of the best companies in the world. We work in small, self-managed teams that take full responsibility for the projects. We’re not tech/cloud service resellers. We mix the best open-source tools and services that make sense for the project. We move fast and deliver mainly short-term projects (2-4 months), mostly working from our offices. We automate the infrastructure of our customers and deploy orchestration layers on top of it to run apps and data. All our engineers are encouraged to share their knowledge at conferences and within the company. We consider ourselves a continuous learning company. There are no rockstars here, just people that wanna grow themselves and their community. Switching between projects/roles/offices is possible and quite common.


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Cloud Native Engineer with Container Solutions
London, United Kingdom£60k - £80k
1 year ago

Job Description

Why this job matters

IT has become the core asset for most businesses. Our Cloud Native engineers guide our clients through this increasingly complex IT landscape.

We build confidence with cloud technologies and help clients transition to modern architecture. Our engineers also work with Cloud Native vendors on next-generation open-source tools.

What we look for

  • Background in development or operations; we’re looking for senior engineers.
  • Experience with at least one programming language and/or scripting (e.g. Go, Java, Python, C++, Bash).
  • Experience with microservices (technologies like Docker, Kubernetes, Mesos) is valuable.
  • We are a cloud agnostic. Any cloud experience (AWS, Google, Azure) is a plus.
  • Cloud automation and infrastructure provisioning (Terraform, Ansible, Cloud Formation etc).
  • We value consultancy skills and community work, such as open-source contribution, meetups and conference talks, and/or blogging. We’re more than just engineers.

Why apply

You’ll be in charge of shaping a new IT architecture for some of the best companies in the world. We work in small, self-managed teams that take full responsibility for the projects. We’re not tech/cloud service resellers. We mix the best open-source tools and services that make sense for the project. We move fast and deliver mainly short-term projects (2-4 months), mostly working from our offices. We automate the infrastructure of our customers and deploy orchestration layers on top of it to run apps and data.

All our engineers are encouraged to share their knowledge at conferences and within the company. We consider ourselves a continuous learning company. There are no rockstars here, just people that wanna grow themselves and their community. Switching between projects/roles/offices is possible and quite common.


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Golang Developer with ActiveState
Vancouver, BC, Canada / Remote$40k - $100k
1 year ago

Job Description

Are you a Golang developer that’s passionate about developer tooling? ActiveState is looking for developers to level up their end-user tooling team. This team is mainly responsible for “the State Tool”, a new command line tool we’re developing that allows you to quickly jump-start runtime environments for your projects. Backed by ActiveState’s new platform we’ll be able to provide developer tooling unlike any you’ve seen before.

If you know Python, Perl, or Tcl you’ve probably heard of ActiveState’s language distros. Now we’re building an ambitious language distribution platform and set of tools so that coders can focus on coding and spend less time worrying about dependency hell, third party vulnerabilities, and inconsistent developer environments.  We’re doing this for every language and platform on the planet (and beyond). We need your help to do it! Best of all you’ll be working on a product that you’ll use yourself daily.

This position is based out of our headquarters in beautiful Vancouver, BC. Remote work will be considered, but only for candidates in North America.

WHAT YOU’LL BE DOING

Your job is to help us build the tools that take the pain out of developing code in teams. Our lofty goal is to replace the venerable README file with a single command. You’ll work on command line clients, editor tooling, and more. While a primary amount of your job will be described as back-end work you must be comfortable with a little front-end work as well.

When not working on code, you’ll be meeting with your team to figure out priorities, features, technical issues, etc. You’re someone with good technical knowledge who also has an interest in the end-product you’ll be building.

Our day to day work practices are centered around GitHub, pull requests, code review, CI for testing, and agile development with Pivotal Tracker as our project management tool. We’re always looking to improve our practices and we expect you to help us to do so.

We’re a polyglot company and embrace using the best language for the given task at hand. You’ll regularly find Golang, Elm, Javascript, Python, Docker, Kubernetes, DCOS, CircleCI, and other modern tools. Quality is as important as speed. We’re building for the long run, so you’ll need to be proficient in writing tests and documentation too.

Our back ends and command line tools for interacting with our Platform are written in Go. While certain extended components of the platform that you might interact with from time to time are written in Elm and Python. We’re also aiming to get a foothold in TypeScript for future editor plugin work.

The team is scattered around the US and Canada, so we coordinate with each other and the rest of the company using Slack for chat, Highfive for video calls and screen sharing, Pivotal Tracker, and the Google Suite.

We like to use open source software whenever possible, and we also like to contribute back to the open source ecosystem. We embrace open sourcing both libraries and tools developed in-house as long as those are not mission-critical code.

WHAT’S IN IT FOR YOU

  • Working for a stable and growing company that offers the environment and personal growth potential of a start-up.
  • The chance to work with a smart, passionate team of people.
  • The chance to work on a project that will change the work lives of developers around the world, including your own!
  • Competitive salary, bonus, and stock option plan.
  • Comprehensive benefits package and health/wellness credit program.

REQUIREMENTS 

  • Experience with Go.
  • The ability to quickly pick up new languages and technologies.
  • Experience with relational database (mysql, postgres, ..).
  • Basic knowledge of JavaScript and front end development.
  • Experience with all 3 major platforms (Linux, macOS, Windows).
  • The ability to write clean, well-tested code with clear documentation.
  • Excellent written and spoken skills, both technical and non-technical..
  • A willingness to engage in the process of defining our work through conversations with product management, other engineering teams, and the rest of the company.
  • The ability to help others on the team become better at their jobs through mentoring, thoughtful code reviews, and generally being a team player.

ASSETS

If you have experience with any of the following please make sure to highlight it in your cover letter:

  • TypeScript experience.
  • Javascript tooling such as Webpack and frameworks such as React and Redux.
  • Elm experience, especially large Single Page Apps.
  • Microservices and message queues.
  • Good working knowledge of Docker.
  • Experience building both web based and desktop based software.
  • Docker, Mesos, DCOS, Kubernetes.
  • Functional programming languages.
  • Experience Creating parsers, compilers or code intelligence systems
  • Deep understanding Process management on Windows or Unix environments
  • Work with reactive, event based systems
  • Low level architecture (sockets, primitive data types like in C) and the ability to interface and interact with low level libraries (e.g. debuggers).

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Senior Software Engineer, Databases with Tendermint
San Francisco, Berlin, Toronto, Remote$100k – $150k
2 years ago

Job Description

We’re looking for someone who has: - At least 5 years of software engineering experience with open source contributions. - Experience developing, releasing, and maintaining production software. - Significant experience writing Golang or the ability and desire to become proficient in new languages. - A strong grasp of computer science fundamentals. - Deep understanding of the theory and implementation of database trees on real file systems. - Experience working in an agile development environment. - The ability to take ownership and see initiatives through. - Worked with and mentored junior engineers. - Exceptional communication skills. - Experience working with distributed teams.

What your primary responsibilities will be: - Improve the IAVL codebase by committing DRY, well tested code. - Work with the Cosmos-SDK team to keep the IAVL tree and its proofs well integrated. - Optimize our implementation of the IAVL tree and its proofs. - Research, design, and implement improvements to the IAVL tree, the proofs, and related protocols. - Help formalize the specification of the IAVL tree and proofs and ensure the implementation adheres to the spec. - Develop simulations for testing the behaviour of the IAVL tree under various loads and read/write strategies. - Develop alternatives to the IAVL tree like the Ethereum Patricia Trie that adhere to the same interfaces. - Mentor junior engineers and support the growth and health of the team. - Review pull requests and provide valuable feedback to members of the team and open source contributors.

What we offer: - The opportunity to build the future of the internet. - An exciting role building open source software. - Flexible work schedule. - At least 4 weeks of paid vacation. - Very competitive salary, including equity.

About our application process: Qualified candidates can expect to go through a 4 step interview process. The first interview will be a call to assess cultural fit and to make sure our goals are aligned.

If we think there is a good fit, you’ll have a call with one of our project managers to learn more about your skills and attitudes toward teamwork. If it’s clear that you’d be a good addition to the team, we’ll ask you to complete a technical task for which you will be compensated.

If your technical task displays a high level of quality and care we will set up a final interview with our CEO or CTO.

The process can take up to 3 weeks.

How to apply: https://goo.gl/forms/jpdRI1wD8pdfoqKl2


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DevOps/Cloud/Platform Engineer with FlixBus
Berlin, Germany€50k – €70k
2 years ago

Job Description

Who we are The future of transportation is Green. Here at FlixMobility Tech, the R&D group, we develop software with the brightest minds from around the world to engineer new experiences for our millions of customers across our apps and websites. Every day we solve challenging problems, like how to scale rapidly around the world and how to make an experience that delights our customers. We have a culture of sharing ideas, contributing to open source projects and being an active member in our technical communities.

To support our team we are currently looking for DevOps/Cloud/Platform Engineers (m/f/x) to join our Platform team in Berlin as soon as possible.

Your tasks - Paint the world green Paint the world green! Build our cloud! Design, deploy, monitor and maintain our infrastructure that hosts flixbus.com and the services it depends on, which is comprised of multiple Kubernetes clusters on AWS (provisioned with Terraform) and a private data center (running Debian on bare metal). Don’t repeat yourself! Automate everything through our configuration management using Puppet and Ansible. Speak freely! Develop ops-related solutions, preferably in languages like Python, Golang, Lua or Ruby. Go team! Educate and support other teams to enable them to fully utilize our stack. Share the wealth! Contribute to open source projects (e.g. Kubernetes, Openresty and many more) or open-source our own projects Decisions, decisions…Evaluate interesting new technologies and come up with strategies to implement them. Don’t panic! Spot and troubleshoot problems with our monitoring (Prometheus/Grafana) and use your insights to improve our disaster recovery plan.

Your Profile - Ready to hop on board Experience with cloud architectures (AWS, IaC) Good Linux skills (2+ years) Good containerization (Docker) skills Solid networking and database skills Experience working with multiple development teams Excellent communication skills Be result driven and value oriented Fluent in English

Perks - More than just a job Drive change. With innovation and smart technology, we are changing the way people travel, and you too can have an impact on this ride. Everyone is equally important and works together on uncharted challenges alongside inspiring colleagues from all over the world. Trust-based working. We don’t punch the clock – organize your own schedule. We trust in what you do! Fun at work and beyond. Discover the world with your free FlixBus rides and join our regular team events – there’s always something to celebrate! Feel at home. We provide you with a comfortable working space, free drinks, casual dress code, diverse employee discounts and more.

So if you are passionate about the new stack and want to keep up with the promising emerging technologies, FlixBus is the place to be. Apply now!


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Kubernetes Engineer with ArangoDB
Cologne, Germany / Remote€50K – €90K
2 years ago

Job Description

ArangoDB is the leading native multi-model NoSQL database, with more than 4 million downloads. It combines the power of graphs, with JSON documents and a key-value store. ArangoDB makes all of our clients data models accessible with a single declarative query language. Developers can build high-performance applications using a convenient SQL-like query language or JavaScript extensions. ArangoDB itself is written in C++, but a lot of our tools surrounding it are written in Go. Oh, and did we mention it is open source?

We are looking for an experienced Kubernetes Engineer to lead the development of our Kubernetes Operator. Our goal is to make working with data easy. And because we want to make it simpler for others, we have to work on solving complex problems like the simple deployment of ArangoDB in cluster environments. As a part of our dynamic team you will work on various components that integrate deeply into Kubernetes that make running stateful and resilient databases as easy as possible for our customers.

Our headquarter ArangoDB Inc. is in San Francisco (US), our secondary location is in Cologne (Germany) and our diverse team includes workmates at remote locations worldwide. So do you prefer your desk at home or do you want to join our modern family at one of our locations? Your choice.

About the Role

  • You build and improve our Kubernetes operator to run and deploy our ArangoDB database
  • Work closely with Customer Care to provide technical support and integrate client feedback into the product lifecycle
  • You help produce user guides and documentation in cooperation with Marketing
  • Help the open source community and our clients with best practice
  • You help with the design, development and maintenance of our tools around ArangoDB that are written in Golang

Your Skills

  • Kubernetes is your thing and you feel at home in the Open Source world surrounding it
  • You have hands-on experience developing for and working with large scale distributed systems
  • Besides Kubernetes you have more than heard of Mesos (DC/OS), Docker (Swarm), Cloud Foundry
  • Development experience with more than one programming language, including Go

The over 40 minds of ArangoDB come from 4 different continents and over a dozen countries. Diverse backgrounds enable us to see new solutions. We love this diversity and encourage everyone who is curious and visionary to join the multi-model movement.


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Senior Software Engineer, SpatialOS with Improbable
London, United Kingdom£50k - £95k
2 years ago

Job Description

Our Purpose

Improbable is dedicated to building powerful technology designed to help solve previously impossible problems and enable the creation of new realities. In gaming and entertainment, Improbable unlocks truly next-generation gameplay through virtual worlds of unprecedented scale, persistence and richness. In other industries, we hope to help answer critical questions through simulations that could lead to a better functioning world.

Our platform, SpatialOS, lets developers transcend the limits of regular computation, allowing swarms of servers running in the cloud to cooperate in order to simulate worlds far larger and more complex than any single server could.

We are a British technology company proudly building a diverse workforce, driven by a shared desire to improve and achieve extraordinary things. We’re crafting technology for the future and fostering a problem-solving culture that embraces innovation through iteration and experimentation.

Your Mission

Engineering is at the heart of Improbable. We solve some of the hardest problems around in areas such as distributed systems, high-performance cloud computing, messaging and much more.

We are technology neutral and believe in well-tested, robust code. Much of our platform is built in GoLang/Java with areas of C++, TypeScript and C#. We use Open Source technologies (such as CoreOS, etcd, Fleet, Docker, Prometheus, gRPC) and give back to the community through open source contributions when we can.

We’re hiring Senior Software Engineers across multiple teams. There is always a diverse range of challenging and interesting projects to work on. Similarly, we welcome diverse engineering backgrounds and are able to offer highly interesting challenges across all our teams, we never hire to fill a gap.

You can find out more about some of our engineering projects here

Responsibilities

  • Designing and implementing new algorithms to distribute and scale our simulations
  • Integrating new workers with our distributed stack
  • Core infrastructure that underpins seamless scaling (networking, packing, storage, containers, logging, security across all compute providers)
  • Creation of world-class, robust APIs and SDKs for external customers
  • Developing tooling to understand, visualise and reason about large real-time simulations

Competencies

  • A strong software engineering pedigree, comfortable choosing the most appropriate language/technologies for the project at hand.
  • You have previously operated in a senior capacity and mentored or coached more junior engineers from a technical perspective.
  • Software Engineering is more than just a job to you. Perhaps you contribute to Open Source projects, blog or speak at events occasionally, or just spend a great deal of your time thinking about interesting problems.
  • You’re disappointed when you’re not learning something new or stretching yourself.
  • You can offer your opinion and respectfully reason with people, but equally commit to the direction decided by the majority after being heard.
  • You value working in different problem areas and are prepared to work in whichever team is necessary to add the most value to the business.
  • You embrace that in a fast-growing start-up, priorities can change quickly.
  • You’re accountable and get satisfaction from shipping stuff on time / delivering quantifiable results.
  • You go out of your way to help others achieve and improve as a team.
  • You’re modest when the results speak for themselves, and humble enough to take responsibility when they don’t.

Experience Of The Following Would Be Advantageous

  • Building large-scale distributed systems
  • Working on cloud-based scalable architectures
  • Building high-traffic, robust APIs, SDK or web architectures
  • Working with Game Engines (i.e. Unity, Unreal, CryEngine etc…)

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Software Engineer with MongoDB
New York, USA$95k - $140k
2 years ago

Job Description

A great MongoDB experience starts with great tools.

The Drivers team builds the libraries and tools that developers use day-to-day working with MongoDB. Our mission is to increase developer adoption, satisfaction and retention by providing a reliable, enjoyable interface for developers and other end-users.

For this role, we’re looking for someone who enjoys designing, writing, and supporting Open Source libraries and standalone tools for developers and administrators using MongoDB.

You might be right for this role if you…

  • Have substantial, demonstrable experience writing high-quality software
  • Have used Go before or would love to learn it and use it in your day-to-day work
  • Are fascinated with concurrency, parallelism and distributed systems
  • Want to participate in Open Source software development and communities
  • Communicate well, internally and externally, both in writing and face-to-face
  • Are excited by our mission and values

You’ll be on a team responsible for…

  • The MongoDB Go Driver, currently under active development
  • The command line utilities that ship with the MongoDB server, including performance optimizations as our customers deal with ever-larger data sets
  • The mongomirror tool, a utility for migrating data from an existing MongoDB replica set to MongoDB Atlas (our cloud Database-as-a-Service)
  • Testing, delivering and supporting the above list across multiple operating systems and versions of MongoDB

You’ll have responsibilities beyond just code, including…

  • Working with our Product and Server teams on designs and specifications for new customer-facing MongoDB features
  • Investigating bugs and support requests from commercial and Open Source customers for the libraries and tools our team maintains
  • Seeking out speaking or writing opportunities to evangelize to developer communities

Success in this role means…

  • Within three months, you’ll know most of the codebase you are responsible for and will be contributing effectively day-to-day fixing bugs, implementing already-planned features and doing peer code-review
  • Within six months, you’ll have implemented several major, planned new features in the driver or tools; you’ll be able to respond effectively to technical support escalations for the codebases you know best; you’ll have the trust of the team and our internal customers
  • Within a year, you’ll have delivered several new releases of our software, will have significantly improved the quality, performance and maintainability of our codebase, and will be able to independently scope and design new features of moderate complexity

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