Staff Backend Engineer (d/f/m)

Requirements:

• Bachelor’s in CS or related field with extensive experience in designing and developing highly scalable web applications in Agile/Scrum environments with modern CI/CD practices
• Proven experience building scalable backend systems with Java/Spring Boot; familiarity with Kotlin and Prometheus Query Language is a plus
• Experience building RESTful APIs, event-driven systems, and microservices architectures
• Proficiency with relational and/or NoSQL databases and writing unit, integration, and end-to-end tests
• Experience with AI-assisted development tools (e.g., GitHub Copilot, Claude Code) to boost engineering productivity is a strong plus
• Experience influencing technical direction and mentoring engineers to raise the team’s overall capability

What you'll be doing:

• Translate product problems into designed cross-component solutions; author design documents and technical specifications for key projects
• Lead and own architectural decisions, drive system-level innovation, and influence technical direction beyond your immediate team
• Define and uphold engineering standards, coding guidelines, and technical culture; contribute meaningfully to the roadmap by surfacing investment opportunities, flagging risks, and shaping sequencing decisions
• Mentor engineers across levels through design reviews, pairing, and structured feedback to raise the team's overall technical capability
• Develop and maintain scalable server-side applications in Java/Spring Boot; write clean, efficient code and conduct code reviews to ensure quality and consistency
• Collaborate with product managers and engineers to break down work into milestones, deliver features, and maintain unit, integration, and end-to-end tests while resolving performance bottlenecks

Nice to haves:

• Experience building scalable backend systems with Java/Spring Boot; familiarity with Kotlin and Prometheus Query Language is a plus

Perks and benefits:

• Opportunity to be part of a collaborative, transparent, and highly technical team culture
• Opportunity to work on new experiences for millions of customers and lead the development of modern web applications
• Collaborate with a wider engineering team in a new engineering hub in Germany