5U AI
Full-Stack AI Engineer
Skills
2 months ago
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Important information
Contract type:
Permanent
Location:
Munich, Germany
Work mode:
Onsite
Published on:
1 September 2026
What they need
The Role Work directly with the founding team to build and ship AI-powered products that handle real logistics operations autonomously. You'll work across the full stack, from multi-channel integrations and backend services to front-end interfaces, while pushing our AI capabilities forward.
What You'll Do
- Build end-to-end features across our Python backend (FastAPI) and front-end interfaces
- Design and improve multi-step AI workflows that process real-world logistics data
- Work with LLM APIs, agent architectures, and evaluation tooling in production
- Contribute to infrastructure, CI/CD, and system reliability as we scale
- Shape product and technical direction alongside the founders
Who You Are
- You take full ownership, from concept to deployed, working feature
- You move fast, iterate constantly, and know when to shift toward robust, scalable systems
- You build with AI, not just around it. AI-native development is how you work.
- You're comfortable with ambiguity and energized by small-team impact
What You Bring
- Strong software engineering fundamentals: Python, JavaScript/TypeScript, SQL, REST APIs
- Hands-on experience with LLMs: prompt engineering, API integration, evaluation, and related tooling
- Familiarity with event-driven architectures, message queues, or background job processing is a plus
- Experience with Docker, CI/CD, and cloud infrastructure
- Startup mindset: resourceful, fast, biased toward shipping
Process
We move fast. Expect a decision within one week.
Step 1: Application Fill out the form with one thing we really care about: submit an AI coding session, a transcript or log from Claude Code, Cursor, Codex, or whatever tool you use to build. It can be .md, .txt, a combination of multiple sessions, or a link to a hosted artifact.
Step 2: Online Interview A single online conversation covering technical depth, problem-solving, and team fit. No multi-round gauntlet.
Step 3: Technical Session (60 min) A live coding challenge where you build a small backend service from scratch using an AI-coding assistant (we provide it). We'll observe how you work, then you walk us through your code and key decisions in the last 5 minutes.
Step 4: Decision Feedback and potential start within one week of your interview.
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