Clera
Senior Full Stack Developer (AI SaaS)
- LocationCologne
- Listed18/10/2026
- FieldSoftware engineering
About the job
ABOUT THE ROLE
Join a European AI-powered B2B SaaS team building chat and voice agents that help customers navigate complex product ranges online and in stores. You will develop the platform and integrations behind these customer-facing experiences.
WHAT YOU'LL DO
- Build and maintain full-stack features for an AI SaaS platform using TypeScript and NestJS.
- Integrate current LLM APIs into chat and voice agent experiences.
- Develop and support backend services and data workflows using MongoDB.
- Contribute to product features that help customers search and make decisions across complex product catalogs.
WHAT WE'RE LOOKING FOR
- Several years of professional experience with NestJS.
- Very strong TypeScript skills and solid MongoDB experience.
- Hands-on experience using current LLM APIs.
- Based in Europe, or able to work in a hybrid arrangement from Cologne or Hamburg.
COMPENSATION & BENEFITS
Visa sponsorship is not available.
LOCATION
Remote across Europe, with hybrid options in Cologne or Hamburg. Primary location: Cologne, Germany.
Job details
- Company
- Clera
- Level
- Senior
- Work model
- On-site
- Contract
- Full time
- Posted
- 17 October 2026
- Advert site
- jobs.ashbyhq.com
Skills asked for
- TypeScript
- NestJS
- MongoDB
How to apply
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