Full Stack Developer (AI SaaS)
- Where
- On-site · Cologne
- Salary
- not stated by the employer
- Technologies
- TypeScriptMongoDB
- Spoken languages
- German · C2
- Native or C2-level German proficiency.
- German · C2
- First sniffed
- 01 Nov 2026 03:30 · open 2h
- Last verified
- 01 Nov 2026 03:30 · still on the employer's site
- Source
- Company careers system
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.