Source-listed Job

Senior Full Stack Developer (AI SaaS)

ABOUT THE ROLE

Job Source description available
Clera Cologne Source published Oct 17, 2026 Source retrieved Oct 18, 2026
Source: Clera (ashby) · A retrieval date records when our system last obtained the source record. It does not guarantee the vacancy is still open or that every detail has been independently checked.
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EmploymentFull-time

Overview

ABOUT THE ROLE

Full job description

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.

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