Founding Engineer

ABOUT THE ROLE Join an early-stage team building AI software for enterprise procurement. You will own customer problems from discovery through production while helping shape the product, technical direction, and engineering practices. WHAT YOU'LL DO - Build and ship full-stack features based on customer needs, from discovery through production. - Develop AI-enabled workflows and shared foundations for agent context, tool use, and evaluation. - Design reliable LLM workflows with evaluation loops, guardrails, and observability. - Make architectural decisions across performance, security, and developer experience. - Review AI-assisted code and improve product quality through frequent releases and user feedback. - Help establish engineering practices and contribute to hiring as the team grows. - Build real-time data pipelines and integrations with enterprise systems. WHAT WE'RE LOOKING FOR - At least 3 years of full-stack engineering experience, delivering end-to-end product features across frontend, backend, and infrastructure. - Production experience with TypeScript and Python, plus hands-on experience building and deploying applications with Next.js. - Production experience with LLMs, retrieval systems, and embeddings, including an understanding of latency, cost, and quality trade-offs. - Strong frontend, backend, database, API design, and full-stack architecture skills; experience with React, PostgreSQL or Supabase, Vercel, and REST or GraphQL is relevant. - Evidence of strong engineering ability, initiative, and ownership, with experience shipping production software at a startup or similarly entrepreneurial team. - Experience with procurement, ERP, enterprise supply chain, or data-intensive B2B products is helpful. - Comfort working hands-on as an individual contributor, communicating clearly, and collaborating with a small team in person. COMPENSATION & BENEFITS Competitive salary and meaningful equity. Visa sponsorship is not available. LOCATION On-site in Berlin, Germany, working primarily in person with the team.