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 international Upvengers team.
Your mission:
We are seeking a full-time backend engineer to build a securities API for financial institutions, the first such API in Europe. Your goal is to take ownership of designing, developing and maintaining microservices written in Golang.
A greenfield project. Cutting edge technologies. No legacy code.
This role will give you the opportunity to:
Build fault-tolerant, horizontally scalable systems. Using Microservice architecture powered by Docker, Kubernetes, Kuma service mesh and Kong as a Gateway.
Build event driven applications using NATS
Work on different aspects of our API-product portfolio as part of the development team
Develop data processing and storing mechanisms
Work on improving the reliability of our API tools, as well as developing innovative tools
Work with an agile methodology: in the end of the 2-weeks sprint cycle we have a demo with retrospective to make our software delivering faster
Requirements:
At least +2 years of experience and passion about Golang and distributed systems
Fluency with SQL databases such as PostgreSQL, transaction isolation, performance optimization
Fluency with event driven architecture and concurrent algorithms
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
Nice to have:
Experience with Docker, k8s, understanding principles of a service mesh
Experience with Monitoring and Tracing using opentracing/opencensus/opentelemetry/elastic APM
Understanding of encryption algorithms and their application
Blockchain Engineer Chorus One Berlin, Germany / Remote $70,000 to $110,000 a year
November 2018
5 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
Chorus One is close to releasing a validating node for the Cosmos network. We are actively searching for a Blockchain Engineer to build validating nodes for other decentralized networks. The work consists of reviewing codebases of other decentralized networks, designing a path forward to deploy validating nodes using our internal infrastructure and to ensure operational security in deployed infrastructure. This position is a unique opportunity to work with a very experienced team on cutting-edge decentralized networks and financial services around cryptocurrency.
Responsibilities:
Review core codebases of decentralized networks such as LivePeer, Tezos, Cardano and map out infrastructure requirements for validating nodes.
Design, implement and merge additional functionality in codebases of said networks, as needed, to make validating nodes compatible with our infrastructure.
Write functional and integration tests to verify software upgrades in blockchain networks for which company runs validating nodes.
Design and implement processes to reduce the lead-time of deployment of validating nodes in new blockchain networks.
The ideal candidate:
Is able to work independently. Has a minimum of 2-3 years work experience with a medium size company or a startup.
Possesses either Bachelor or advanced degrees in Computer Science or allied fields.
Needs to have prior production experience / strong interest in pure functional languages (Haskell, OCaml). Go language skills are a plus.
Has work experience with distributed algorithms. Prior experience with blockchain clients such as Go-Ethereum, Bitcoin Core, Tendermint or similar is a plus.
Is curious and able to take initiative in team discussions pertaining to business economics and business opportunities.
Keywords pertaining to tools: Functional languages, Haskell, OCaml, Golang
Perks & Benefits
Competitive salary plus equity.
5 weeks annual leave.
Full-time position.
Location: Remote work.
Work on cool technology and interesting problems at the intersection of finance, cryptocurrency, information security and DevOps.
Software Engineer collectAI Berlin, Germany €50,000 to €70,000 a year
October 2018
4 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
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
Trading Systems Engineer Hackmind Berlin, Germany €50,000 to €60,000 a year
October 2018
5 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
Backend Developer NewStore Berlin, Erfurt, Region Hannover, Germany €55,000 to €70,000 a year
October 2018
4 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
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
Lead Software Engineer WATTx Berlin, Germany €60,000 to €70,000 a year
October 2018
4 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
Are you a self starter who’s always eager to take on new challenges? Do you have a good taste for engineering design and can spot bad design from a mile away? Are you a natural leader? WATTx is looking for a Lead Software Engineer to join our ranks. As a part of Engineering Team, you will lead technical development of projects solving challenging industrial problems, working in cross functional teams in an agile environment.
YOUR RESPONSIBILITIES WILL INCLUDE:
-Leading day-to-day development
-Technical design and implementation of the product
-Planning and specifying the product roadmap
-Close collaboration with the founders, engineers, researchers, venture developers and data scientists.
-The engineering culture at WATTx has been shaped around principles of user-centric design and agile software development. We work in autonomous teams, value pragmatism over idealism, simplicity over complexity and technological agnosticism over fundamentalism, and are looking for people who share these values.
WHAT YOU NEED TO START YOUR MISSION:
-Extensive experience in designing complex software systems and knowledge about design patterns and antipatterns
-At least 2 years of experience leading software engineering teams
-Experience with agile project management methodologies, demonstrated by ability to select processes that work, based on current situation and not on dogma
-Excellent people skills
-Extensive experience with strongly typed programming languages, Golang being preferred
-Extensive experience operating or designing distributed systems
-Extensive experience working on real-time data processing, knowledge of -InfluxDB or VoltDB is a plus
-Experience with Docker or similar containerization technology
-Experience performing code reviews and pair-programming with other software engineers
-Experience with Kubernetes
-DevOps skills
WHAT WE OFFER:
-A competitive compensation package
-Diverse environment to learn and thrive in
-Monthly hackathons
-Ownership over your projects and an empowered working environment
-Guidelines and training materials based on industry best practices and our experience
-A generous learning budget for professional and personal development
ABOUT US
WATTx is a new kind of company builder focused on creating deep technologies in the industrial and consumer Internet of things. We are a full-stack team: hardware and software engineers, data scientists, user experience researchers and designers, venture developers, and strategists. Our cross-functional project teams take a user-centric approach to identifying opportunity areas in particular research areas that inform ideation sessions. Solutions that evolve from these sessions are quickly prototyped and vetted as pilots with clients, investors, and potential partners. Dedicated to lean development and a sprint spirit, we expect research kick-off to venture spin-out to take a matter of a few months.
At Kubermatic, we believe that businesses should focus on their core purpose: writing groundbreaking applications, not operations. In line with our commitment to make Kubernetes as easy as possible, we help IT teams worldwide to fully automate their Kubernetes and cloud native operations across multi-cloud, edge, and on-prem.
As the Top 5 corporate contributor to the Kubernetes Project, we develop enterprise-grade software solutions and provide professional services and support to safely navigate and accelerate your cloud native transformation. Our open source Kubermatic Kubernetes Platform makes it easy to operate thousands of Kubernetes clusters on any infrastructure.
If you are looking for a neatly structured environment, we are just not a good match. But if you are thrilled by the prospect of joining a technology start-up with a lot of room for your own ideas and personal growth, we definitely should at least have a chat.
Job Description
What you will be doing
Work with cutting-edge technologies (Go, Kubernetes, Prometheus) to build our products like Kubermatic
Create E2E test and automate workflows for CI/CD
Build the infrastructure behind high-availability services
Design and implement new services and features
Contribute your knowledge in roadmap and feature discussions
Qualifications
What we are looking for
You have previously applied knowledge of Kubernetes/Golang and you worship high-quality code
You are comfortable with distributed systems, container technologies, Kubernetes and the cloud native stack
You value pragmatism and result-oriented team and project work
You have a very good command of English
Additional Information
What you get in return
A dynamic and still laid-back team (yes, you can combine that)
Agile development practices, cutting edge technologies (Kubernetes, Go and Prometheus) and an up-to-date stack
Full support with getting the training and certification you need to do a good job (CKA, LInux Foundation Certification...) and conference opportunities
Obviously: flexible working hours, responsibility, free choice of IDE and OS,...
For remote workers: a great infrastructure set-up and regular hackathons and events in Hamburg, so that you won't feel any difference. Ok, besides free coffee ;-)
On top of that: a very nice office in Hamburg, regular barbecues and after-works, reduced gym membership
Anything else?
We love community events - so you will definitely enjoy our meetups and our own community conferences ContainerDays and GoDays
As member of the Cloud Native Computing Foundation we are able to offer certified courses and first class information about what's coming up next in the Kubernetes ecosystem. And if you want to contribute, you are welcome to engage at CNCF projects or special interest groups
Full-Stack Engineer nanotek AG Düsseldorf, Germany €45,000 to €75,000 a year
June 2020
1 Applicants This Week
More Than 6 Months Old
Job Description
We are on a mission to build a portfolio of digital products & services that simplify the life of healthcare professionals. While we are backed by a major corporate player, we move at start-up speed and appreciate an entrepreneurial, data-driven mindset.
We are now looking for a Fullstack Developer to join our team in Düsseldorf (non-remote)!
Your opportunity:
Write new and further development of the complex frontend solutions using Vue.js and backend development using Go that your peers praise for its elegance and readability
Develop data-driven and value-oriented products, work closely with our clients and bring ideas to life
Regularly interact with end-users to understand how your systems can serve them better
Propose, design and test applications to ensure data quality and systems reliability
Your background:
You have fundamental knowledge in working in a cloud environment (e.g. AWS, Google Cloud)
Hands-on experience working with relational databases & time-series database is a plus
You have expertise in modern frontend technologies (Javascript / Vue.js) along with the backend development (in Golang, Python, Node.js etc.)
You have excellent English communication skills (both spoken and written), German is a plus
What can you expect from life at naontek:
Innovation: You will be working at the frontline of digital healthcare.
Team: You are working closely with your development team and other colleagues from different departments.
Personal Growth: We support your constant personal and professional development and provide the dedicated training you need.
Autonomy: We focus on our visions and goals and we give you the freedom to creatively reach those targets.
Compensation: We offer competitive salaries together with employer funded pension, flexible working hours, home office opportunity, additional holidays, lunch allowance, public transport ticket subsidy and reduced parking costs. We also offer free drinks and free fruit.
Location: Our office is located in the digital heart of Düsseldorf.
Have we sparked your interest? Would you like to shape the digital healthcare with us? Then apply now! We are pleased to meet you!
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