5mo
German a plus
Hamburg
Full-time
Senior
HAHeartbeat AI GmbH
Strong fullstack proficiency in TypeScript, React / Next.js, and Node.js / NestJS Real, demonstrable experience building with LLMs, APIs, or MCPs - production use preferred A product and customer mindset: you think about user …
TypeScript, React, Next.js, Node.js, NestJS, LLM