Full Stack Developer (AI SaaS)
CleraOn-site - Cologne, North Rhine-Westphalia, GermanyPosted 2026-10-25
- This listing's locations
- On-site - Cologne, North Rhine-Westphalia, Germany
- Employment
- Full-time
- Workplace
- On site
Department: Engineering
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About the Role
Join a growing AI SaaS team building chat and voice agents that help customers navigate complex product ranges online and in stores. You'll contribute to the development of customer-facing AI products and their supporting services.
What You'll Do
- Build and maintain application services using NestJS and TypeScript.
- Work with MongoDB to support product functionality and data needs.
- Integrate current large language model APIs into AI-powered features.
What We're Looking For
- Several years of professional NestJS experience, typically within a 3 to 10+ year engineering background.
- Very strong TypeScript skills and solid MongoDB experience.
- Hands-on experience with current LLM APIs.
- Native or C2-level German proficiency.
Compensation & Benefits
Visa sponsorship is not available.
Location
Remote across Europe, or hybrid from Cologne or Hamburg, Germany. The primary location is Cologne, North Rhine-Westphalia, Germany.