For our startup we are looking for a Java Developer who knows what’s going on and who is a good addition to our highly skilled development team. We have space for people who like to focus on one area to become the goto person in this area as well as people who need a new challenge every now and then. People who have new ideas are more than welcome.
Responsibilities:
- Work on the development of our disruptive platform for esports data distribution
- Help us to improve and expand our OCR plattform
- Work together with our DevOps team to make our system more reliable.
- Work together with our Data Scientists to improve our data pipelines
- Create APIs to deliver our data to customers
- Have an eye for improvements in regards to performance and code quality
Requirements:
- Strong understanding and moderate (3+ years) experience working with Java, and within a Java environment.
- Moderate experience with both relational and non-relational databases
- Moderate experience writing and working with a service-based architecture.
- A fast learner who is highly motivated and independent, but also works well as part of a team.
- Output-oriented way of working
- Good problem solving skills (able to break down problems and troubleshooting bugs effectively)
- Fluent in English (both written and spoken)
Pluses:
- Experience with Python, Go-lang or Scala
- Experience with Hibernate, SpringBoot, Akka, Gradle
- Experience working with distributed messaging queues (RabbitMQ, Kafka, Pulsar) at enterprise scale
- Experience with cloud-based deployment: AWS (or similar), Docker, Kubernetes.
- Experience with game engines: Source Engine, Unreal Engine, Unity.
- Experience with OCR technologies
- Any skills or experience in reverse engineering computer games.
- Passion for esports, gaming, and technology
We offer you:
* A "get shit done" culture
* Flexible working hours based on goal reaching rather than amount of time spent in the office
* 10% of your work time to spend on esports and/or gambling topics of your choice (alone or as a team)
* Internal training sessions in your field of profession and beyond
* Gaming room stocked with 6 PCs to play and crush enemies with your colleagues
* Bayes bar with free snacks and after work beers
* Free massage sessions
* Subsidized lunches that get delivered to the office
* Free coffee, water & soft drinks to stay focused and hydrated
* Lots of game enthusiasts to talk and share game experiences with
We look forward to receiving your application (cover letter, CV and references) as well as your salary requirements and earliest possible starting date. Please send an email containing this information to: application@bayes.gg.
Advanced Blockchain AG are looking for an experienced Back-End Developer to join our core development team. You’ll be taking on new and ongoing projects with industry leading clients looking to be the first to implement and benefit from blockchain technology.

What we offer:
An environment that embraces freedom and autonomy and values team
spirit and open communication. We encourage you to put forward your
thoughts and ideas.
An open plan office in the heart of Berlin.
The opportunity to contribute to cutting edge projects in a new and exciting
industry with the potential to positively reshape our world.
An international team of DLT pioneers from 12 different countries.
Flexible working hours.
Responsibilities:
Back-end development of our high-loaded web applications.
Working with our Blockchain API.
Rest API development.
Micro services development with Docker containerisation.
Working and maintaining different types of DB.
Collaboration and architecture planning with the team and CTO on a high-
performance back-end infrastructure.
Mentoring your team.
Main requirements:
5+ years in back-end development
Practical experience with MongoDB, MySQL, Redis, Postgres
Strong knowledge of Go and experience with C++, Python
Backend developer Hasty.ai Berlin, Germany $65,000 to $75,000 a year
July 2019
2 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
Why Hasty?
Annotating data is an expensive hassle that nonetheless is the backbone of almost all applications of AI today. We are trying to take away some of that pain by assisting and automating to as high a degree as possible the process of labelling images, using machine learning. By doing so, we hope to open up the field of vision-based AI for new applications and for organizations that previously couldn’t use AI-powered technology as it was too expensive for them or because they lacked the technical know-how needed to develop an AI-solution from scratch.
As a workplace, we can offer you the opportunity to work on the cutting edge of AI in a startup environment, where you help us build a product from the ground up while being part of the core team with a voice in what we should do next.
Qualifications:
4 years of experience in designing and building complex software systems
Extensive experience writing applications with Python
Experience with Golang is a plus
Experience designing and operating distributed systems
Experience performing code reviews and pair-programming with other software engineers
Proactive communication and excellent teamwork skills
Ability to work independently and take ownership of tasks
What we offer:
Competitive package with equity and a sizeable learning budget that you can spend as you wish to develop yourself
A real problem to solve with the potential of having a real impact on the world around us
A startup environment with flat hierarchies
Support from a WATTx, a Berlin-based company builder, offering you the security and support of a larger organization
Workplace flexibility - Home-office, remote, adjustable working hours - we place our trust in you being the best person to plan your workweek
A great place for the intellectually curious, as we are sharing offices with other startups in the AI landscape
Based on our working product we would like to improve our cross-technology blockchain application for access rights and need a team member who drives the development right from the start. Therefore, we need support in the development of a blockchain based access management solution with following focus areas:
• Set up and maintenance of a decentralized network
• Programming of the function to create and share cryptographical access permissions
• Communication to terminal devices via Bluetooth, NFC and WIFI
• Integration of the web solution and of the mobile application
• Coordination between different divisions as Backend Development, IT-Operations and Mobile App Development.
We are searching for a (Senior) Full Stack Developer who works on the overall solution including the development of the relevant SDKs for mobile applications. Therefore, interests and competencies in following areas are relevant:
• Programming languages: Java, C, C++, JavaScript, C#, Golang, Swift
• Understanding the architecture, design, and implementation of Blockchain systems, distributed ledgers and smart contracts
• Cross-cutting operating systems: Mac, Windows, Linux
• Cryptographical algorithms and security considerations
• Experience with Bluetooth/BLE, p2p networks and/or file exchange is a big plus
• Knowledge about continuous integration and unit tests
• Familiar with Git as the version control system and first experiences with agile software development, e.g. Scrum
• Additional competencies in Application Deployment, Scaling, Management and Continuous Delivery (Docker, Ansible, Kubernetes, etc...)
On top of that, we are searching for a team member, who is eager to learn, switch contexts and share his/her knowledge within the team. At the same time, he/she is able to take responsibility in a growing team and have some experience as mentor and decision maker.
Join our Core Services team as Senior DevOps Engineer!
What you will do:
Drive the company-wide adoption of the cloud platform products and work closely on its implementation with the delivery teams;
Provide guidance on performance optimisation, help with the analysis and engage as the subject matter expert;
Participate in the analysis of new requirements and develop solutions and services to support the development teams.
Help to shape and execute the technical roadmap and strategy for the next generation of application features and cloud infrastructure in Google Cloud.
Develop systems automation and provisioning frameworks for multiple applications and environments.
Mentor, support and coach regarding tools, concepts and best practices.
Why join us?
As part of our team, you will work in a highly motivated environment, with equal opportunities, flat hierarchies and short decision-making processes. You’ll have a lot of freedom to contribute your own ideas and implement them.
The opportunity to drive business growth and truly having an impact on the business;
A fast-paced industry where you handle new problems every day;
An environment where you are encouraged to research, explore and try new ways of doing things;
An open and dynamic culture that supports great work-life balance, while being part of Amadeus, the biggest travel tech company in the world.
Requirements
You are whom we are looking for if:
You are familiar with distributed systems, their complexity and benefits, and also the trade-offs involved;
You like to code and automate as much as possible in an environment with Terraform, Kubernetes, Helm Charts and Golang applications;
You understand different database technologies and messaging queue patterns and you know your way around BigQuery, Postgres, Redis, Aerospike, Kafka, Google pub/sub;
You like to monitor everything and Prometheus and Grafana are your best palls. If you have used them in Federated setups, please let us know;
You have worked in a production Kubernetes environment and you understand the concepts around overlay networks and Kubernetes Operators. Multi-region setup is our next big challenge!
You are in the frontline of technology innovation and you love to transfer your knowledge, experience and best practices to other Engineers;
You have experience or interest in working with Google data solutions like Dataflow, Airflow or Apache Beam.
We are awaiting your application and looking forward to starting our journey together!
We are Synergeticon, a fast-growing startup in the aerospace and shipping industry.
Our goal is to leverage the latest web, communications, machine learning and robotic technologies to make aircraft production and maintenance processes even more efficient.
Particular focus is placed on the cooperation between man and machine.
We use Golang for various cool things like graphql-backends, microservices communicating via grpc or implementing interfaces to robots, sensors. In Addition we're working with docker, kubernetes.
Golang Engineer synergist.io GmbH Berlin, Germany €55,000 to €70,000 a year
March 2019
2 Applicants This Week
More Than 6 Months Old
Job Description
At Synergist, we've begun an ambitious project to to automate human negotiation.
We're building a foundation for algorithms to predict the best way for two people to reach agreement on legal contracts.. nothing like this hasn't been attempted before.Â
We make human negotiations machine-readable, create big data sets of behavioural data and use open APIs to integrate with third-party platforms. If we do our job right, our users feel empowered to negotiate contracts and get sh*t done really quickly.
We're now looking for a a backend focused Go Engineer who is comfortable building complex, server-side business logic and contributing to our extensible architecture built on RESTful APIs. Our solution runs on a modern stack which is deployed via CI/CD on Redis and stored in Docker containers running on AWS.
We have flexible working hours, no hierarchy and give you the autonomy you need to get sh*t done. We're a small team that iterate quickly, but also value who you are over how good you are... Our culture is our greatest asset and we try not to take ourselves too seriously ;)
What we are looking for:
5+ years of experience with any general purpose programming language (PHP, Java, Python); or a solid Computer Science background and a desire to learn new stacks
A desire to learn Golang
Strong MySQL and database design skills
An understanding of how design decisions affect scalability, storage requirements, and the like
Basic Linux skills
Fluent in spoken and written English
Nice to have:
Previous Golang experience
Experience working on a consumer product at scale
Experience with Docker, ECS and AWS
Familiar with at least one frontend framework (React, Ember, etc) - AngularJS is preferred
Familiarity with Redis, Docker and/or AWS
What we offer:
Work with cutting-edge technologies that are new in the market
A small international team with different skill sets, backgrounds and cooking abilities ;)
Engineering culture: 80% of our team works in technical positions and engineers contribute directly to product decisions
A bright and spacious office (central Berlin near Checkpoint Charlie) with huge kitchen for breakfast, pasta, snacks and drinks (all included)
Choose your laptop, screen and (mechanical!) keyboard
In summary:Â


If you'd like to be part of building an enterprise software company from scratch and responsible for shaping the world's first automated negotiation bot with a bunch of cool people, then get in touch.
Fraugster is a payment security company with the goal of eliminating fraud and increasing our customers’ profits. Over the last years we’ve invented an artificial intelligence technology that combines human-like accuracy with machine scalability. This ability lets us foresee fraudulent attacks before they actually happen and gives us a distinct competitive advantage over every other player in the payment security space.
We’re already working with some of the most well-known payment and e-commerce companies in the world. Notable clients include companies like Ingenico and SIX Payments. Fraugster is backed by top-tier investors and is currently managing billions of Euros for its clients.
Job Description:
We make decisions based on data, it’s the core of our business, and it’s providing insights into the effectiveness of our product and features. We believe data powers creativity and productivity, and that a robust, reliable and scalable infrastructure is needed to support this.
Our Observability team is operating the solutions that make gaining insights from data possible with monitoring, logging, metrics and other telemetry tools. The team is responsible for simplifying the process of building data and metrics-driven products and features. This is a high impact, high visibility role that directly affects the experiences of all our engineers.
As we take on more services and responsibilities, we're looking to add another member to the team.
What you will be doing:
Design, build, and operate the observability stack of large-scale data infrastructure systems from the early stage
Improve the stack, dive into new technologies and figure out how best to monitor them
Provide easy ways to understand the state of the services at a given point in time, including the ability to trace requests across multiple services
Work with development teams in an advisory capacity to optimize usage of monitoring and logging tools: what to log, measure and alert, which metrics and events are important and why through guidance, documentation and internal discussion
Participate in code reviews to ensure code quality and distribute knowledge, including Open-Source projects
Mentor and guide junior engineers as the team grows
You’re a good fit if some of the below applies to you:
You are a great teammate who can work effectively as part of a cross-functional team
You have strong analytical, problem solving, debugging, and troubleshooting skills
You are a good communicator in English, both verbal and written
You are knowledgeable about a variety of infrastructure and development topics
You have worked in an environment that runs multiple services handling a large number of transactions, owned by different teams
You have the skills to help a development team to perform complex debugging, but you also know when to let the team figure things out on their own
You enjoy thinking about how to make life simpler for other engineers
The experience we are looking for:
Designing, implementing and debugging large-scale data infrastructure systems, and identifying their performance bottlenecks
Understanding of long-term impacts of key design decisions and handling failure scenarios
Experience in Go is a big plus, but not strictly required and experience with a similar backend language would suffice. Our team can teach you and get you up to speed
Monitoring and operating open source software in production at scale e.g. Kafka, Kubernetes, Docker
Operating telemetry tools, e.g. the ELK stack, Prometheus, Grafana, Jaeger, Istio and others
Not everything listed is required and not everything required is listed. If you have skills that are not listed but you think will contribute to your performance let us know!
What we offer:
The chance to be be part of a growing team of with plenty of room to leave your mark and impact company strategy and growth
Fun, creative and focused teams committed to learning and problem-solving through collaboration
Competitive salary and, if required, visa sponsorship and a relocation package
Office located in the heart of Berlin with teammates from around the world
Time to work on projects that are not in the scope of the sprint, standing desks, team events and a weekly company dinner
An environment in which you can balance great work with a great life
We value ownership and innovation, and we build our teams with that in mind. We want each team to be responsible and accountable for what they ship. We also don't want to reinvent the wheel every time, so we try to get alignment in terms of practices and technologies. Our philosophy to achieve this is relying on excellent tooling and automation over policies and processes.
We know that diverse teams are strong teams, and welcome those with alternative identities, backgrounds, and experiences from all over the world. We’re a team of technically curious problem solvers. Come and join us.
We are looking forward to receiving your application!
Back End Engineer PlusPeter Berlin, Germany €45,000 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
PERSONAL QUALITIES
You are a team player and love to share your knowledge.
You strive for building modern, maintainable, resilient and scalable APIs
You care about the quality of your work and strive to understand and meet best practices in service development
You are open to new technologies, innovative ways of working and lean prototyping methods.
You find pragmatic solutions while finding a balance between good engineering and pace.
SKILLS & REQUIREMENTS
Bachelor‘s degree or comparable experience
2 + years relevant work experience as a front end or full stack developer
Excellent in at least one technology used for modern back end development. Golang, Java, Python, Ruby, Elixir etc
Experience with at least one RDBMS and an understanding of database design
Experience with at least one NoSQL database eg MongoDB, CouchDB etc
Microservice or SOA experience is a big plus
YOUR BENEFITS
Attractive salary: We offer a good monthly pay with a performance-based bonus system and options for company stakes. Development potential: The detailed training, professional support and our career opportunities offer you the foundation for your career. Space for development: Varied and challenging activities with plenty of room for creative participation. Startup Feeling: We are a strong and dynamic team. Regular team lunches and team events are a matter of course. Nice to have: For free you get Club Mate, a 24/7 coffee flat rate and of course fresh organic fruit for your healthy dose of Vitamin C. By working from the home office, you’ll get all the flexibility.
If you are interested in working with a motivated and driven team and in revolutionizing a market, then send us your application via our jobportal https://www.pluspeter.com/job/senior-developer-javascript/ ;. If you have any questions please do not hesitate to contact our HR Manager Laure-Marie: 030 692 007 848 http://www.pluspeter.com
Golang Blockchain Engineer Herdius Berlin, Germany $50,000 to $80,000 a year
October 2018
3 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
Job Description
We are looking for awesome backend developers to join our Berlin team at Herdius. We are a blockchain startup working on a decentralized financial platform tailored specifically for cryptocurrencies. Our goal is to create a new, highly scalable blockchain that can act as a transaction and identity layer on top of all blockchains. The vision for Herdius is to create the central cryptocurrency financial hub of the space. Since we are developing our own chain as well as are working on brand new technology there will be a lot of room for you to play around with new consensus mechanisms, blockchains, distributed systems design, governance mechanism design, order routing, etc.
Responsibilities:
Implementation and design of Herdius’ consensus algorithm and p2p routing protocol
Writing reusable, testable, and efficient code
Design and implementation of low-latency, high-availability, and performant applications
Integration of data storage solutions as well as distributed data storage solutions
Creation of an efficient crypto exchange orderbook capable of handling thousands of transactions per second
Creation of Governance / voting systems
Working on our distributed virtual wallet network that implements distributed key generation with homomorphic encryption
Requirements:
4+ years of experience as a backend developer, preferably in C/C+, Golang or Scala
Strong proficiency with Golang, preferably including p2p libraries and leveldb (or similar)
Understanding the nature of asynchronous programming and its quirks and workarounds
Understanding accessibility and security compliance
User authentication and authorization between multiple systems, servers, and environments
Efficient integration of cryptographically encryption schemes
Understanding fundamental design principles behind various consensus algorithms
Understanding differences between dPOS, DAGs, Plasma, BFT, aBFT, etc.
Past experience with ANY blockchain / crypto related projects is a huge plus
Implementing automated testing platforms and unit tests
Proficient understanding of code versioning tools, such as Git
Experience with other languages such as Javascript or Python
Strong passion for Bitcoin and other cryptocurrencies
What to send:
Links to your GitHub/Stack Overflow/Portfolio/something awesome you've built that you’re proud of
A resume or LinkedIn profile
Cover letter