Job Description

You are either already an expert in distributed ledgers/blockchain/Ethereum or wish to become one. You want to join a team of technologists, who really care about writing high quality, open source code. You are self-motivated and don't need many directions to get a job done together with your teammates. We are knowledgeable, curious, and nice people, who have a shared vision to re-shape the world of business software. We would love to hear from you if this feels like a good home for you.

Responsibilities - Write clean, maintainable, secure code for distributed applications. - Build software with Solidity, JS/Node and Go. - Write code that deals with high-value financial transactions. - Scalability, security, and ease of deployment for our end-users are key. Your code is operated by the largest corporations on this planet. - Build the infrastructure that connects our enterprise customers with Ethereum and the Centrifuge peer to peer network. - Be directly responsible for the creation and maintenance of core Centrifuge modules. - Drive your projects from inception to completion by owning your own deliverable and collaborating with your teammates. - Review code of others, maintain shared libraries, contribute to our shared infrastructure and toolbox. - Be a strong individual contributor in our team-oriented environment. We care about our team and people and value collaboration.

Requirements - You like solving problems and working with smart, nice people. - A strong and proven computer science or computer engineering background. - Track record of high quality, well-crafted code that has been used in production environments. - Communicate in English in our fast-paced and results-oriented environment. - Comfortable cooperating with the team in your office as well as remote team members. - Experience in API development and integration.

A plus: - You are familiar with cryptographic algorithms, decentralized systems, distributed consensus systems and security and trust reduction. - You wrote applications before that deal with invoices, purchase orders, payments, or other transactions of the financial supply chain. - You know your way around writing code for large-scale peer to peer applications. - Experience with contributing to and managing open source projects. - Experience shipping and maintaining code that is used in enterprise environments.

About Centrifuge Centrifuge is the decentralized operating system to power global trade and commerce. We are building the systems and tools on public blockchain infrastructure to enable open, fair, and transparent business within the Financial Supply Chain.

Over the last 20 years, we built companies and software to address major issues in the world of Procure to Pay. Global large-scale business networks, invoicing between companies, providing financing for the supply chain - to name a few services we created over the years.

The Centrifuge OS allows businesses to transact on a global, decentralized network while maintaining control of their data. It democratizes access to business processes, makes the supply chain more transparent, and removes the middle-men who extract money from the global economy for their own sake. We are setting up our Berlin offices right now and you will be one of the first ones to join the team and shape our culture.

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

Job Description

trecker.com is an AgTech startup that digitizes the oldest industry in the world – agriculture! Our software-as-a-service delivers professional enterprise resource planning. It assists farms in keeping track of their business, improves operations and identifies optimization potential by crunching data.

Increasing agricultural innovation & technology is talked about being the most promising way to soon feed 10 billion people. Today, agriculture is a $3,1 tn market with an investment growth in AgTech equaling that of FinTech.

Within the last 6 years we were able to establish a solid position in the German market. While we're going to scale our multi-service platform by adding new functionalities we take on the challenge of synchronizing data, orchestrating microservices and keep them maintainable using docker containers on AWS (soon also with Kubernetes)!

Join us in our mission to become the most recommended software in agriculture worldwide and help farmers save time, money and nerves.

Reasons to join trecker.com

Challenging tasks that enable you to grow & excel: multi-service platform with green field projects

Cutting-edge tech stack, great test coverage, high code quality & multiple deploys per day

Meaningful product: The chance to revolutionize an entire sector & change the lives of millions

No-Worries package: Permanent contract + above average compensation package e.g. company pension, moving aid, kindergarten fund

Transparency: Know what's going on! We share business information openly

Work-Life Balance: Flexible working hours, napping room, working from home/remote option + vacation up to 38 days!

Freedom & Impact: We know a lot but by far not enough. That's why we want smart people to join our team and share their ideas

Personal development: Large development opportunities e.g. Tech talks, conference budget + speaker fund, team meetups, inhouse workshops etc.

Great team: Join a passionate team & fun company events such as our one week retreat in Greece :-)

Your playground

As Software Engineer you develop a sense of ownership for the code & architecture

You deliver value by getting the usefulness of software into the hands of users

You are part of a cross-functional team following agile methodologies

You write clean, testable, scalable and maintainable code that complies with web standards and best practices

You improve development knowledge/skills of the team by pair programming, teaching best practices in our trecker tech talks and by doing code reviews

You share your experience in building large-scale single-page applications and work on RESTful APIs and websockets

You support our team with your knowledge in designing scalable architecture and building processes with tools like webpack and package managers such as NPM

Plan, architect and integrate functionality in collaboration with backend, frontend, mobile developers and PM

You fit perfectly if you

Preferably have a BS/MS in Computer Science or a related technical field

Your actions are guided by the purpose to bring value to the user

Several years of professional experience and excellent knowledge of backend development, technologies - particularly Ruby on Rails; Node.js + Golang are a plus

Strong knowledge of OOP, REST and Microservices

Experience with messaging systems, such as RabbitMQ or SQS, and distributed cache systems, such as Redis

Good knowledge in backend infrastructure technologies like Linux, AWS, Continuous Integration/Delivery, Docker

Disciplined approach to automated testing and quality assurance

Prior experience with source control tools – Git, Github

Knowledge of Elasticsearch is big plus

Familiarity with native mobile development (iOS/Android) and Web front-end development (HTML5) would be a bonus

Our current tech stack: Rails 4x, Go, React, iOS Swift 3, Android, Postgres, ElasticSearch, REST api, Microservices, Realtime web, AWS, Grape, Webpack, Swagger, Scrum, Jira

At trecker.com we welcome engineers who find smart solutions for complex problems to help farmers say “Hello simplicity, bye bye paperwork!” :-)!

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!

Job Description

We are looking for Senior Software Engineer to join our office in Berlin. We’re a team of 5,000 ambitious, curious people building marketplace platforms that make it super easy for anyone to buy and sell almost anything, boosting local economies.

What you will be doing: • Working in a small, cross-functional team of about 5-7 people (product, data engineering, front-end, back-end, DevOps) • Have impact on the direction of the product, not just the technology side (a sense of ownership is not only allowed, but expected) • You’ll be writing maintainable, testable and performant code in a Continuous Integration Environment • Research, suggest and implement new solutions to our problem domain • Thinking about and acting on data management solutions • How to improve the architecture and split the different domains into microservices

Who we’re looking for: • Has senior-level experience with any state of the art back-end technology. Current tech stack includes Go, Python, Node and JVM — if you’re the candidate for us, you will pick up these technologies quickly, or convince us we should be using something else. • Worked in Agile environment (Kanban, Scrum or XP) • Knows PHP on at least average level • Was exposed to TDD or BDD • Takes ownership and can work independently • Who worked in high-traffic, high-volume, cloud applications • Sees the differences between SQL and noSQL databases

What we’ll give you: • Contributing to the global OLX Group • International career and travel opportunities • Work with an international team of top engineers learning from one another • A budget for conference and education • Competitive salary and great benefits • Home Office possibilities • Company Mobile phone • Any tool you might need MacBook Pro, Notebook, PC (selection of Dells and Thinkpad machine) • Free coffee, snacks, and drinks • Great office location around the corner from Berlin Hauptbahnhof What you need to know about us: • OLX is the world’s leading classifieds platform in high-growth markets. It’s available in more than 35 countries and in over 50 languages. The platform makes it so easy to connect people to buy, sell or exchange used goods and services. • OLX is part of the OLX Group, a global product and tech company with 17 brands, +40 countries, +5000 people and one mindset. • Our mission is to make it super easy for people to buy and sell almost anything, boosting local economy • We are proud to be different, and we work differently too. We combine the spirit and agility of a start-up with the maturity that comes from being part of a 100 year-old company. • We are curious, ambitious and allergic to corporate interference. We improvise, experiment and push each other further, embracing uncertainty and driving change.

If you’d like to learn more about the OLX Group take a look at the other parts of our website or reach out to Sebastian. And remember, we are an equal opportunities employer.

Job Description

You love building distributed systems at massive scale and tackling impossible problems that few engineers are fortunate enough to face.

Our team of backend engineers extends our super efficient Golang-based backend every day. We leverage Kubernetes and Google Cloud to focus on what we are really good at. Delivering VR experiences in seconds to our users all around the world. Massive growth means that we constantly need to reinvent and reiterate. We continuously investigate new tech stacks and are open for your input and experience to shape our thriving service cluster.

Responsibilities: - Plan, organize and implement solutions to complex engineering problems. - Drive adoption of best practices in code health, testing, and maintainability. - Analyze and decompose complex software systems. - Collaborate with and influence others to improve the overall design. - Work together with leading Computer Vision researchers

Requirements: - Excellent software craftsmanship - Experienced in Test Driven Development - Hands-on distributed systems know-how (2 years+) - Experience working with container based environments - There’s no such thing as a “doesn’t work” attitude. - Estimate your work and deliver on time working in an Agile process

Special Qualifications: - Experience building highly-scalable services in Go - Experience with high resolution video streaming and processing - Experience with large-scale machine learning and computer vision - Experience with data analysis and data visualization - Experience with modern browser APIs (WebRTC & WebGL)

Apply to jobs@splashapp.co

Job Description

You have:

Solid Kubernetes experience in a professional environment ● You have experience scaling Kubernetes (including auto-scaling) ● You have deployed a Kubernetes deployment on AWS ● You've implemented metrics, logging and tracing ● You know how to get under the hood to diagnose issues when things go wrong

Good knowledge of AWS (or GCE) ● EC2 & VPCs ● S3 ● DynamoDB ● RDS (Postgres/Aurora) ● Cloudfront ● SQS ● Route 53

Worked with some of the following technologies ● Golang ● Ruby/Python ● Bash script ● Postgres

Knowledge of fundamentals of GIS ● You can use PostGIS to run basic queries

Your responsibilities: ● As a fast growing company, scaling our systems as we grow will be a core part of your job. ● Building out our metrics, logging and tracing infrastructure to give us full insight into our stack. ● Looking after our AWS & Heroku accounts & infrastructure. ● Managing our external services (CDNs, Databases etc) ● Ensuring security standards throughout our infrastructure. ● Improving the performance and reliability of our tile and data stacks. ● Maintaining and improving our user databases. ● Iterating on our PostGIS adventure databases. ● Mentoring our more junior developers. ● Building on our current engineering processes such as code reviews, pull requests etc. ● Helping us continue to build our engineering culture.

Your profile: ● You're an engineer that can see the bigger picture, you understand why performance and quality is important to our end users and why automated tests and documentation are important to our wider engineering team. ● You care deeply about the quality of the work you produce. ● You can distill complex requirements into a non-complex solution. ● You have excellent communication skills and can explain complicated problems in an easy to understand way. ● You are dynamic and can effortlessly transition between the various facets of the company as required. ● You are a self-starter and comfortable taking the lead on certain aspects of your role. ● You are comfortable mentoring other members of the engineering team.

Job Description

You will provide leadership across Back-End Engineering and help guide the overall engineering vision for our MicroServices Architecture. You will lead and participate in architecture discussions with our architects and platform team to help define the core platform APIs to support our Mobile and Web Apps. You will participate in design reviews and recommend improvements. You will be part of a team that is committed to writing test-backed, clean and reusable code. You will recommend improvements and create consensus through self-confidence, clear communication and the technical skills to back your decisions. You think that polyglot developers are the future and have a passion for elegant, readable and maintainable code.

We have a cutting-edge microservice architecture and use the following technologies: Python, Golang, Linux, Docker, RabbitMQ, nginx, Amazon AWS, REST-ful APIs, JavaScript & Angular.js, ReactJS, HTML5, CSS3, git, SQL (PostgreSQL).

Required Skills:

• 7+ years of professional development experience ideally using Python, GO or similar languages • Experience building large-scale business critical SaaS applications with MicroServices Architecture • Established technical leadership, interpersonal and organizational skills • Understanding of Service-Oriented approach, Domain-Driven Design, S.O.L.I.D. principles • Experience collaborating with other Engineers in planning, prioritizing and executing assigned tasks within deadlines • Assist in risk assessment and mitigation activities • Experience providing trainings and mentoring other Engineers • Strong problem solving, critical thinking, and analytical skills • Strong English communication skills • Experience with Git

Extra special things we'd love to see:

• Familiarity with software design patterns • Experience solving business problems in a variety of programming languages • Experience in Agile methodologies, especially Scrum • Experience in building ecommerce systems

Apply here: http://grnh.se/05ctx2

Job Description

This role is fully remote and can be based anywhere.

Our Engineering team is having a blast while delivering the most sophisticated crypto-trading platform out there. Help us continue to define and lead the industry.

Responsibilities

• Design and implementation of Micro-services in Rust
• Port legacy Micro-services to Rust
• Writing reusable, testable, and efficient code
• Implementation of security and data protection systems
• Write highly scalable, high volume services
• Create optimized database schemas

Requirements

• Expertise writing network services in Rust, or other languages such as C, C++ or Go and a willingness to learn Rust.
• Experience using a Linux server environment
• Ability to independently debug problems involving the network and operating system

A strong candidate will also

• Be familiar with deployment using Docker
• Have experience with SQL and Redis
• Be proficient with HTTPS and Websockets
• Be passionate about secure, reliable and fast software
• Be Familiar with PHP

Job Description

What's next in music happens on SoundCloud first. As the worlds largest open audio platform, SoundCloud is powered by a connected community of creators, listeners and curators who share, discover and influence whats new, now and next in music and audio. We enrich people's lives through the shared love of sound and we are looking for a backend engineer to join our Search Team in Berlin.

As backend engineers at SoundCloud, we build the infrastructure for products that music listeners and creators love. Our work often involves large-scale distributed systems, parallel computing, and data science. We actively improve our tools and processes to support collaboration and productivity. We cultivate an environment where we can all learn and grow. For more,read about engineering at SoundCloud.

You have solid backend engineering skills and are motivated to work in these areas. You have experience with operations in a large production environment. You're proactive and have experience collaborating closely with other teams. You enjoy crafting simple solutions to complex engineering problems and are able to communicate them. You're an independent thinker, but thrive in a tight-knit team. You're committed to the products you work on.

If this describes you, we'd love to chat.

Prior experience with microservices, building infrastructure automation and continuous delivery are all highly valued. Go is the main language we use, so you are either already proficient in it or excited to learn. Experience in technologies such as Elasticsearch, Spark, Kafka, and data processing pipelines is a plus.

Diversity at SoundCloud:

SoundCloud is for everyone. Diversity and open expression are fundamental to our organization; they help us build a social platform and global community where anyone can create, discover, and share sounds. We acknowledge the challenges in our industry, and strive to develop an inclusive culture where everyone can contribute.