Founding Engineer

ABOUT THE ROLE Join an early-stage AI infrastructure startup as its first engineer. You will work directly with the founder to evolve a functioning product into scalable infrastructure for AI-powered service businesses, with broad ownership across the product and its technical direction. WHAT YOU'LL DO - Develop the architecture and infrastructure needed to scale the product to a large user base. - Build and operate the agent runtime, including orchestration, memory, verification, and supporting systems. - Take projects end to end across backend, infrastructure, frontend, and AI agents. - Set technical standards and guide how the engineering team builds as it grows. - Ship improvements regularly to users operating real businesses. WHAT WE'RE LOOKING FOR - At least 2 years of experience shipping production software, or an equivalent record as a founder, solo builder, or exceptional early-career engineer. - Experience building and running LLM or AI agent systems in production, with real users relying on them. - Full-stack range, including the ability to work across backend, infrastructure, and user interfaces. - Experience turning prototypes into dependable systems through sound architecture, data models, runtime design, and orchestration. - Evidence of owning technical decisions and delivering quickly in an early-stage or independent environment. - Strong generalist engineering skills and practical experience with agent workflows, memory, evaluations, or verification are valuable. - Based in Europe and willing to relocate to San Francisco within the first year. COMPENSATION & BENEFITS Base salary is €80,000 to €140,000 annually. Visa sponsorship and relocation support are available for a move to San Francisco. LOCATION Remote within Europe, with relocation to San Francisco expected within the first year.