Jobs in Aachen, Germany

We’re partnering with one of the most innovative AI product companies in the world—used by millions globally—to find a Staff AI Engineer to join their high-calibre AI team. This company is redefining how people interact with AI—building systems that don’t just understand language, but emotion, memory, and context. From mobile to VR, they’re creating next-gen conversational experiences that feel less like software and more like connection. You’ll be working alongside top-tier AI engineers, backend developers, and infrastructure teams to help productionize cutting-edge LLMs and scale backend systems for millions of users.

What You’ll Be Doing :

• Architecting & optimizing FastAPI-based microservices for AI / ML workloads
• Managing Redis (async) and MongoDB for real-time data flow & persistence
• Maintaining scalable Dockerized environments
• Driving CI / CD workflows via GitHub Actions
• Supporting observability and deployment tooling (Datadog, Structlog, Quadrant)

What We’re Looking For :

• 5+ years Python (FastAPI & async experience a major plus)
• Deep experience with Redis, MongoDB, Docker & Kafka
• Familiarity with LLMs (OpenAI, Anthropic) and vector DBs (e.g., Pinecone)
• Solid experience with production-grade systems (500k+ users)
• CI / CD tooling, observability / logging with Datadog & Structlog
• A startup mindset and strong cross-functional collaboration skills

Bonus Points For :

• Knowledge of Scala
• Past experience working on AI / ML-driven products
• Previous experience in Staff, Lead, or Manager-level engineering roles