Job Description
1. Architect & Build: Design, develop, and operate resilient, high-performance, and secure web experiences using technologies like,, TypeScript, Nuxt, and NextJS. You will build the features that customers interact with daily, from secure authentication flows to engaging gamification experiences.
2. Lead Complex Feature Delivery: Own the end-to-end delivery of significant features, from technical design through implementation to production monitoring. You will tackle challenging problems like building fraud-resistant systems, creating seamless onboarding experiences, and developing self-service profile management.
3. Champion Web as an Experimentation Platform: Help establish our web platform as the fastest path from idea to validated learning. You will build with A/B testing and rapid iteration in mind, enabling the business to experiment at speed and validate ideas fast.
4. Drive Frontend Excellence: Advocate for and implement best practices in testing, code quality, and frontend architecture within your team. You will lead code reviews, mentor other engineers, and raise the bar for what good looks like.
5. Instrument for Observability: Ensure the features you build are observable and reliable. You will implement monitoring, error tracking, and performance measurement that gives the team confidence in production and enables data-driven improvements.
6. Collaborate Deeply: Work hand-in-hand with Product Managers, Backend Engineers, Designers, and Marketing stakeholders to shape solutions that balance customer needs, technical constraints, and business goals.
7. Contribute to Cross-Team Initiatives: Participate in frontend architecture discussions and contribute to shared tooling and patterns that benefit other teams in the Consumer domain. Your influence will extend beyond your immediate team as you help shape web best practices.
8. Foster Security Awareness: In a team that handles authentication and fraud prevention, security is essential. You will follow security best practices, identify potential vulnerabilities, and help ensure customer data and accounts stay safe.
Qualifications
9. Solid experience in frontend software engineering, with a track record of designing, building, and maintaining complex, production-grade web applications. We value quality of impact over years of tenure.
10. Strong proficiency in modern JavaScript/TypeScript and frameworks like or
11. Hands-on experience with modern frontend architecture, including server-side rendering (, or and understanding of how frontend systems scale.
12. Experience building secure, reliable user-facing features, ideally in areas like authentication, user management, or e-commerce.
13. Demonstrated ability to lead feature delivery end-to-end, mentor other engineers, and drive quality improvements within a team.
14. Experience with modern development practices including CI/CD pipelines, automated testing (unit, integration, E2E), and observability for frontend applications.
15. Excellent communication skills and the ability to collaborate effectively with cross-functional partners including Product, Design, and Marketing.
16. AI-assisted development experience and enthusiasm, actively leveraging coding agents like Claude Code, Cursor, GitHub Copilot, or similar tools to accelerate your workflow. We believe AI tools are essential for modern development.
Nice to Have
17. Experience building authentication, identity, or security-focused features
18. Background in gamification, loyalty programs, or marketing technology
19. Experience with fraud prevention or risk systems
20. Familiarity with e-commerce, marketplaces, or quick commerce
21. Frontend observability experience (Sentry, Datadog, Lighthouse, Core Web Vitals)
Additional Information
22. A €1000 annual L&D budget as well as individual coaching options to ensure you have plenty of opportunities to learn, grow and achieve your goals
23. 26 days of vacation, +1 day every year up to a maximum of 30 days
24. A mobility budget of 35 EUR per month for Deutschland Ticket subsidy
25. A discount on your Urban Sports Club membership
26. Attractive company pension options
27. Unlimited access to an e-learning and development platform, MyAcademy, including online German courses
28. Online discounts with Corporate Benefits and Future Bens
29. A cool discount off your personal Flink orders; be the first to test out new products!
30. A modern and dog-friendly office in the heart of Berlin - lots of delicious lunch spots available within short walking distance
It is our commitment that every applicant will be evaluated according to their skills regardless of age, gender identity, ethnicity, sexual orientation, disability status, or religion.