ABOUT THE TEAM

: Our development team consists of specialists in frontend, backend, QA, product, and visual design. We work in small cross-functional teams that give everybody insight and hands-on experience of what everyone else is doing. Each team is self-sustained, autonomous, and responsible for a specific feature or area in our platform.

We believe in strong collaboration, open communication, and mentoring to allow bi-directional growth. One an inclusive workplace because we believe it is the right thing to do and because we want to have a positive impact on the entire tech industry. We are currently looking for a Senior Backend Engineer to join our development teams.

You will work closely with our product people to design the right solutions to our challenging problems while collaborating, mentoring, and supporting the other team members. For this position, we need professionals who are already based in Berlin or willing to move to Berlin. js, Java, C#, Python).

Basic working familiarity with Go — you don't need deep expertise, but you should be comfortable reading Go code and understanding its core syntax and idioms. If your background is primarily in another stack: during interviews, you'll need to demonstrate you can pick up Go quickly and show a genuine willingness to build your career in Go — our backend stack (Go) isn't changing, so this is a hard requirement, not a nice-to-have. Strong architectural instincts — you understand tradeoffs and can articulate them clearly to technical and non-technical stakeholders The ability to mentor others without being asked — you notice where people are stuck and act on it A guild mindset: you contribute to backend-wide discussions, not just your squad's backlog In-depth knowledge of REST API design, PostgreSQL, and Testing Techniques Experience building scalable, maintainable, and performant large-scale applications A proven track record of designing the architecture of multiple applications or complex features end-to-end Hands-on experience owning maintenance, performance, and security concerns for production systems Strong tendency towards implementing modern best practices like pair-programming sessions, unit and integration tests, adaptation of AI and automation, refactoring, SOLID principles, security best practices, documentation as code, regular knowledge sharing, etc.

Requirements

and help plan projects, with an eye on the overall impact on the business product A willingness to learn about and contribute to the whole stack is essential A team-first attitude; As a group, we strive to leave egos at home Empathy for