AYN

Full Stack Developer (AI SaaS)

clera · Cologne · onsite

About the RoleBuild and improve a full-stack AI SaaS product that helps customers navigate complex product ranges through chat and voice agents. The product supports online and in-store experiences, so your work will contribute to practical AI-powered product discovery and commerce.

What You'll Do- Develop and maintain full-stack features for AI chat and voice agent experiences.

- Build backend services using NestJS, TypeScript, and MongoDB.

- Integrate current LLM APIs into product workflows.

- Contribute to product capabilities for online and in-store customer experiences.

What We're Looking For- Several years of professional experience working with NestJS.

- Very strong TypeScript skills and solid experience with MongoDB.

- Hands-on experience integrating current LLM APIs.

- Experience building full-stack software, with an interest in AI SaaS products and customer-facing chat or voice experiences.

LocationThis role can be remote across Europe, with a hybrid option from Cologne or Hamburg, Germany. The primary location is Cologne, Germany.

Apply on the employer’s site