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# Senior Backend Engineer

- **Company:** Berliner Verlag Gmbh
- **Location:** Berlin, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Cloud Computing, Software Quality, Software Debugging, Python (Programming Language), Queueing Systems, Redis, Search Technologies, TypeScript, Large Language Models, Backend, Fastapi, Pytest, NestJS, Restful APIs, Webhooks, Data Pipelines, Web Api
- **Published:** September 8, 2026
- **Apply:** https://www.adzuna.de/details/5874182335

## About the Role

* 6+ years of professional backend engineering experience
 * Strong Python expertise, including FastAPI and pydantic
 * Working knowledge of TypeScript - enough to read, debug, and contribute to our TypeScript services
 * Experience with AI automation - building systems that integrate, govern, or orchestrate LLM-driven workflows, not just calling an API
 * Experience with Redis and message queue based asynchronous processing
 * Strong testing discipline (pytest) and track record of owning features end-to-end, from architecture through delivery

Nice-to-have

 * TypeScript/Node.js experience, e.g. with frameworks such as NestJS
 * AWS or other cloud infrastructure experience
 * Experience with data pipelines handling heterogeneous/unstructured input
 * Familiarity with vector search / embedding stores
 * Prior experience integrating with third-party content or media APIs

## Description

* Design, develop, and maintain backend services and APIs for our content platform using Python, and FastAPI
 * Build reliable pipelines that transform raw and heterogeneous data into structured, production-ready content
 * Develop and integrate production-grade LLM workflows, including prompting, structured outputs, embeddings, similarity search, and evaluation
 * Build resilient integrations with third-party APIs, REST services, and webhooks
 * Design and maintain asynchronous processing workflows using queues, and Redis
 * Contribute to our TypeScript services where needed
 * Contribute to architecture, code quality, technical standards, and continuous improvement of our backend stack


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