> Markdown version of [/jobs/ext/3645733-ai-systems-engineer](https://www.wearedevelopers.com/jobs/ext/3645733-ai-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # AI Systems Engineer - **Company:** welevel GmbH - **Location:** München, Germany - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Software Debugging, Programming Tools, Python (Programming Language), PostgreSQL, Language Modeling, Delivery Pipeline, Indexer, Backend, Fastapi, Build Management, Unreal Engine, Data Pipelines, Docker - **Published:** October 9, 2026 - **Apply:** https://www.careerjet.de/jobad/de5171c432b9d019a5cc733567456e7837 ## About the Role * 3+ years of backend or fullstack engineering experience * Proficient in Python and FastAPI * Strong PostgreSQL experience (schema design, indexing, optimization) * Experience designing APIs for real-time or player-facing systems * Ability to work onsite in Munich, Germany * Valid EU work authorization ## Description * Work from our studio in the heart of Munich, alongside a passionate, multidisciplinary team. * Free beverages, regular team activities, and a creative, collaborative environment. * Shape a blockbuster AAA title from the ground up. Your Role Design and build the backend systems that power intelligent NPC interactions, game-integrated language models, and narrative-aware behavior. The position involves developing FastAPI services, managing data pipelines and deployment workflows, and connecting backend systems to gameplay in Unreal Engine 5. This role combines backend engineering with AI systems work across infrastructure, tool design, and real-time gameplay integration. Responsibilities * Design, build, and maintain FastAPI backend for game-integrated AI systems * Structure PostgreSQL databases for player memory, NPC context, and world data * Own Docker-based deployment and CI/CD pipelines for internal and live systems * Collaborate with gameplay and narrative teams for seamless API/game integration * Build developer tools to simulate, test, and debug prompt flows and AI behaviors * Monitor, scale, and improve platform performance and reliability * Contribute to core gameplay systems shaping immersive storytelling