collectAI provides receivables management, covering the end-to-end process from e-invoicing and dunning to debt collection. Focusing on digital communication channels, automation and machine learning gives our solution an edge over traditional approaches. We communicate with customers via their preferred channels, at their favored time and enable them to pay easily. Companies benefit due to higher customer retention rate, reduced costs and improved repayment rates.
collectAI was founded in 2016 and is part of Germany’s largest e-commerce retailer, the Otto Group. Our international team currently consists of 30 professionals mostly working in our Hamburg office.We are looking for a (Senior) Golang Software Engineer / Site Reliability Engineer to join our Berlin-based engineering team: You will be creating, improving and operating micro-services written in Go as well as contributing to tools and systems that enable other teams to deploy services quickly and operate them reliably.
Our architecture is currently based on micro-services written in JavaScript, Python and Go. We use NATS for event streaming and utilize AWS' RDS in our persistence layer. Services are deployed in Kubernetes and monitored with Prometheus. We build our frontends mostly with React.
Basic Qualifications
Strong problem-solving skills
Good understanding of computer science fundamentals
Passion for clean, simple and robust code
Solid knowledge of Go
Preferred Qualifications
Exposure to Docker, Kubernetes and Prometheus
Experience with JavaScript
Knowledge of micro-service principles and best practices
Benefits
- Regularly visit our headquarter in Hamburg's beautiful Hafencity
- Shape our Berlin-based team as one of its first members
- Well-funded and part of Germany's largest online retailer, the Otto Group
- Option to partially work remotely
- Budget for conferences, books, trainings etc.
- Free choice of hardware and software
We believe that the efficient management of buildings and office spaces is key to curbing the impact of climate change, enabling a more comfortable, productive and healthier working environment, and we’re looking for early team members passionate about this mission.
We are currently looking for an experienced Full-stack Engineer. You’ll be part of a team that builds a state-of-the-art infrastructure and networking solution.You will help build an affordable and simple to use cloud-based building automation software for small and medium-sized offices, to collect, manage, and integrate building devices in real time.
What you will do?
Implementation of a robust set of services and APIs to power the web application
Work with popular open source libraries including React, Redux and React Router
Work with GoLang and AWS tech stack for the backend
Building reusable code and libraries for future use
Optimisation of the application for maximum speed and scalability
Implementation of security and data protection
Integration of the front-end aspects of the applications
Providing the best in class UX for customers of the web application
Working closely with designers to bring their vision to life
Adhering to a set of code standards and good practices
Who you are?
Passionate about continous learning and furthering our cause
You hold BS/MS in Computer Science, Engineering, or related field
You have deep JavaScript knowledge and have worked with ES6
You are an expert in web technologies and APIs (HTTP2, TCP/IP, CSS/HTML, Browser JS APIs)
You are knowledgeable in modern web tools (NPM/Yarn, Babel etc.)
You are experienced working with React.js
You like to build for scale – lean but ready for demand growth
You’re a fan of open source philosophy, with data-driven development approach
You have a proven ability to efficiently manage all aspects of the software development life cycle in an Agile environment
You have an intense focus on building secure and reliable systems
You have a desire to build highly usable customer centric products
What we offer?
Working directly with the founders and shaping the company, who just received 7-digit Seed funding
Site Reliability Engineer PubNative Berlin, Germany €40,000 to €65,000 a year
October 2018
2 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
PubNative is a mobile publisher platform that serves native ads via a scalable and flexible API for mobile apps and web. Our publisher-first approach focuses on the specific needs of each publisher across all verticals. Our ad serving technology is used by developers and publishers around the world.
Our system consists of a myriad of high load Golang-based APIs, iOS SDKs, Ruby/Rails 5 dashboard, Scala and Spark data- and ML pipelines, Druid OLAP system, running on a Mesos and Kubernetes cluster.
We're always on call to keep our networks up and running, ensuring our users have the best and fastest experience possible. We follow “Infrastructure as Code” model and immutable deployment strategies.
We are looking for a Site Reliability Engineer (m/f) to help us build and operate infrastructure platforms, and provide technical consultancy to engineering teams on how to build reliable, scalable and efficient services.
Our Responsibilities:
- You help us build a hybrid, poly-cloud-provider environment
- You help to design, develop and operate monitoring, tracking platforms
- You drive scalability and operability of supported systems/infrastructure
- You participate in on-call rotation and be on-call for the services you build and support
- You work with other teams to provide consultations in systems architecture support for new and existing production systems
- You write code so that you can automate tasks, support SLA for Production Systems, you support other engineering teams on reliability, scalability and efficiency topics
- You manage OS image/templates via Packer, provision infrastructure via Terraform
- You support CI/CD and make new pipelines
- You engage in and improve the whole lifecycle of services—from inception and design, through deployment, operation, and refinement
- You support services before they go live through activities such as system design consulting
- You maintain services once they are live by measuring and monitoring availability, latency, and overall system health
Our Requirements:
- 3+ years of experience in a Site Reliability role/Full-stack developer
- Experience with public cloud providers (AWS, Google Cloud, Digital Ocean, etc.) and Infrastructure as Code (Terraform)
- Strong programming skills and familiarity with modern programming languages: Go, Ruby, Python, Shell etc.
- Knowledge of managing docker containers and microservices via Kubernetes
- Experience building and monitoring systems and metric collection pipelines
- Track record of building automation and solving multi-datacenter/clouds infrastructure problems
- Knowledge of algorithms, data structures, complexity analysis, software design and reverse engineering
- Interest in designing, analyzing and troubleshooting large-scale distributed systems
- Experience working with source control - Git
- Experience with continuous integration platforms such as TeamCity, Jenkins, CircleCI etc.
- Understanding of Agile, DevOps practices such as CI/CD, automated testing etc.
Backend Engineer OptioPay Berlin, Germany €50,000 to €80,000 a year
October 2018
4 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
Your Role
-To architect, design, develop, deploy, evolve, and operate distributed systems in a DevOps way
-To be an integral part of an empowered and self-organizing team
-To actively collaborate with other engineers, product owners, domain experts and designers to deliver great outcomes
-To pair with others and review work, sharing knowledge and increasing quality across the board
-To scale our reach by integrating our platform with more banks, PSPs, insurances and other financial systems
-To champion continuous improvement of technology and the ways we work
Your Profile
-You have at least 5 years of professional experience as a Software Engineer
-You can build and debug reliable, high availability, secure and performant distributed services in Golang
-You care about quality and know when and how to ship code safely
-You have a solid understanding of system design, data structures, and algorithms
-You are experienced with deploying and operating services on Linux
-You can reason and drive technical decisions
-You love to experiment and use data to drive decision-making
-You get inspired, think of new ideas and like to share them with others
Our Offer
-A tightly knit team of experienced engineers with lots of interesting challenges to dive into
-A modern technology stack: Golang, Kafka, PostgreSQL, Kubernetes, Docker, CoreOS, Terraform
-Extensive individual responsibility and personal support to grow professionally
-Become part of a talented multinational team of 50 working in Berlin
-Semi-monthly OptioAcademy – our internal knowledge sharing project
Internal meetups – technical knowledge sharing events
-Prime office location – top floor of the city’s tallest building, the best view in Berlin!
-Various fun events (weekly team lunch, Friday after work drinks and BBQ, OptioAcademy, Meetups, Hackathons)
-EUR 2,000 annual training budget for conferences, books, trainings, etc.
-Free educational library, breakfast, drinks and fruit to keep energy levels high
-Your choice of hardware and software
About OptioPay
OptioPay is a payment processor with a difference. Our software increases the value of any payment received by consumers from companies, by combining bank transfers with higher value gift cards. By integrating payments to employees or customers with effective marketing, we aim to create a completely new, performance based, advertising channel. OptioPay was founded by Marcus Börner and Oliver Oster in 2014 and is located at the top floor of the Treptowers.
At OptioPay we work cross-functionally, agile and test our limits to outgrow ourselves. Our goal is to change the way how people receive and spend money. To do this, we need your talent, creativity and drive. Join our diverse, multi-cultural and inspiring team, a fun and friendly group with a multitude of talents. At OptioPay you will find an ambitious and empowering environment with a shared vision and passion. We are looking forward to meeting you!
Senior Backend Engineer FinLeap Berlin, Germany $40,000 to $60,000 a year
October 2018
4 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
We’re FinLeap, a Fintech company builder based in Berlin and active in more than ten countries. Along with our passionate co-founders, we launch several startups per year. Our environment is diverse, exciting, fast-paced and changing every day. We’re now looking for a Senior Backend Engineer (m/f) for one of our new ventures.
If you're looking for an innovative, dynamic, agile and international environment to work in become part of our eco-system with 13 different products.
Your Role & Responsibilities:
- Responsible for the design and development of backend services
- Work with cutting-edge technologies in an agile environment
- Part of a collaborative international team of highly skilled technical experts, who inspire each other in their daily work
- Evaluate different approaches and methodologies in development, finding the best ways to develop and ship new ideas
- Work on the API development with external providers and manage complex integrations
- Understand patterns of microservices architecture and have already applied them successfully
- Take ownership of important components and continuously work to improve them
Our Perfect Match
- 3+ years of experience in backend development
- Knowledge of front end frameworks is a plus
- Familiar with technologies like Node, Scala, Golang, Java and project management
- Constantly improve your working environment by researching and applying new technologies
- Experience in building RESTful APIs, data processing technologies and continuous deployment and delivery
- Experience with both SQL and NoSQL database technologies
- Familiar with test frameworks and you are used to test while coding
- Familiar with different cloud providers and their products and always ensure security in your implementations
- Embody the culture of excellent troubleshooting, communication and documentation
- Good communication skills, with a high proficiency in English.
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!
Trading Systems Engineer Hackmind Berlin, Germany €50,000 to €60,000 a year
October 2018
3 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
We’re Hackmind. Welcome.
We fund and support scientists & engineers to build decentralized AI startups from ideation to launch. Hackmind is an AI-focused incubator in Berlin, the capital of cryptocurrency. We invest in raw technical talents with ambitious visions and risky ideas to transform slow industry using AI and decentralized approaches.
This is Hackmind. Adventure awaits you…
We are looking for a software developer to help build trading systems and trading tools used in the management of hackmind portfolio.
Responsibilities:
You will build architect the hackmind execution trading platform
You will work very closely with our traders to develop a number of different algorithmic execution solutions to help limit market impact
Management and execution of connecting to new exchange API’s
Management of hackmind data capture and storage of historical data
Analysis of liquidity across numerous different exchanges and liquidity pools
Help build tools to visualize hackmind portfolio and trading activities
Requirements:
Mastery of C++, Golang, Rust or a similar low-level language
Experience with python
Experience developing in low-latency systems
Experience with computer security
Experience in cryptocurrencies is a plus
Experience with distributed systems
Interest in trading and markets
Excellent communication skills
Enjoy working with a lean team in a fast paced environment
Senior Software Engineer trecker.com Berlin, Germany €40,000 to €80,000 a year
October 2018
6 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
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
Software Engineer collectAI Berlin, Germany €50,000 to €70,000 a year
October 2018
3 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
collectAI provides receivables management, covering the end-to-end process from e-invoicing and dunning to debt collection. Focusing on digital communication channels, automation and machine learning gives our solution an edge over traditional approaches. We communicate with customers via their preferred channels, at their favored time and they are able to pay easily. Companies benefit due to higher customer retention rate, reduced costs and improved repayment rates.
collectAI was founded in 2016 and is part of Germany’s largest e-commerce retailer, the Otto Group. Our international team currently consists of 30 professionals mostly working in our Hamburg office.
About the job
We are looking for a (Senior) Software Engineer to join our Berlin based engineering team: You will be creating, improving and operating micro-services written in Go and JavaScript as well as contributing to tools and systems that enable other teams to deploy services quickly and operate them reliably.
Our architecture is currently based on micro-services written in JavaScript, Python and Go. We use NATS for event streaming and utilize AWS' RDS in our persistence layer. Services are deployed in Kubernetes and monitored with Prometheus. We build our frontends mostly with React.
Basic Qualifications
Strong problem solving skills
Good understanding of computer science fundamentals
Passion for clean, simple and robust code
Preferred Qualifications
Experience with Golang and JavaScript
Exposure to Docker, Kubernetes and Prometheus
Knowledge of micro-service principles and best practices
Benefits
An international team of experienced tech and business people
Self-responsibility and encouragement to realize your own ideas
Regularly visit our headquarter in Hamburg's beautiful Hafencity
Shape our Berlin based team as one of its first members
Well-funded and part of Germany's largest online retailer, the Otto Group
Backend Engineer Spilly Berlin, Germany €45,000 to €50,000 a year
October 2018
4 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
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)