27 backend developer English-speaking jobs in Cologne

Sound technical judgment in backend or distributed systems, with the ability to assess technical risks

You'll work across the stack, from backend services to customer-facing interfaces, with a strong focus

Experience with or strong interest in AI-assisted software engineering and modern developer tooling.

The role brings together applied LLM engineering and solid backend engineering in TypeScript.

scalable identity platforms and designing Zero Trust and Least Privilege architectures while balancing developer

Broad Technical Skillset: You move between data pipelines, backend and some frontend, and are not afraid

You join Core Systems, where backend and data work as one team.