Senior Full-Stack Engineer, AI (m/f/d)

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Your missionOur Data Scientists and AI/ML Engineers build AI solutions. You make them usable for everyone at EDRI. As a Full-Stack AI Engineer in our newly established AI UNIT within E.ON Drive Infrastructure (EDRI), a special unit built and run like a startup, you will build the internal platform that makes AI solutions accessible to hundreds of colleagues across EDRI. You will work across frontend, backend, infrastructure, and AI integration, taking full ownership from the initial architecture to reliable operation in production. Where this is heading: every colleague builds their own applications with AI coding tools, while login, backend, security, and hosting are set up automatically – and you design it. You report to our Head of AI Strategy. 

Your Responsibilities 
Build our internal AI platform from scratch and develop it into one central place for all AI solutions
Design a modular architecture that allows new AI solutions to be integrated and launched quickly
Develop intuitive frontends, including conversational, generative, and streaming interfaces
Build backend services and APIs, integrating models and services developed by our AI/ML Engineers
Implement authentication, role management, access controls, and secure system integrations – security by design
Ensure scalability and performance for hundreds of users and millions of requests through load testing, caching, and continuous optimization
Own the platform’s reliability, security, monitoring, latency, and cost in production
Evaluate emerging AI models, AI tooling, and agentic systems and integrate solutions that add value
Develop a secure self-service environment, within clear guardrails, that enables colleagues to create their own AI-powered applications
This is a senior individual contributor role. 

Your profileYou are a full-stack engineer with practical AI/ML experience who enjoys building products from the ground up. You combine strong technical expertise with a high level of ownership and can turn an ambitious vision into a secure, scalable, and user-friendly platform. 

Must have 
Proven experience building and operating web applications in production from frontend to infrastructure
Strong skills in TypeScript and React or similar frontend technologies
Backend development experience with Node.js and/or Python
Experience scaling and securing applications, including performance optimizatio