Senior Software Engineer - Backend, Machine Learning

We aim for sustainability by making deliveries on electric bikes and utilizing recyclable packaging.

Flink is backed by the world’s most renowned tech investors, including Prosus, Mubadala, and Bond, and strategic investors like Doordash and REWE. In your role as a Senior Backend Engineer - Discovery (m/f/d) , you will be at the very core of our users' journey, architecting the future of how millions of customers find, explore, and engage with our vast product catalog. you will be a technical leader, strategist, and role model, instrumental in pioneering our world-class Search platform and our cutting-edge Retail Media and Ad-Tech capabilities.

Working at the exciting intersection of high-performance backend engineering and applied science, you will define technical direction, tackle ambiguous problems, and build resilient, scalable systems in close collaboration with our Data Science teams to integrate sophisticated Machine Learning models into our products.

Architect & Build: Design, develop, and operate high-throughput, low-latency backend services using GoLang and Kotlin (Spring), deployed on Kubernetes.

Collaborate Deeply: Work hand-in-hand with Product Managers, Data Scientists, and other stakeholders to shape product decisions and integrate cutting-edge ML models into our production systems.

Extensive experience in backend software engineering, with a proven track record of designing, building, and maintaining complex, scalable, and business-critical systems.

Deep proficiency in GoLang and/or Kotlin (preferably with the Spring framework).

Strong, hands-on experience with containerization and orchestration technologies, particularly Kubernetes, and modern CI/CD practices (we use ArgoCD).

Demonstrable experience with modern observability stacks and a data-driven approach to system health and performance (e.g., Proven ability to lead projects, mentor engineers, and drive technical strategy within a team or domain.

A mobility budget of 35 EUR per month for Deutschland Ticket subsidy

• A discount on your Urban Sports Club membership
• Attractive company pension options
• Unlimited access to an e-learning and development platform, MyAcademy, including online German courses
• Online discounts with Corporate Benefits and Future Bens
• A cool discount off your personal Flink orders; 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.