About this role
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
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Develop the architecture and infrastructure needed to scale the product to a large user base.
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Build and operate the agent runtime, including orchestration, memory, verification, and supporting systems.
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Take projects end to end across backend, infrastructure, frontend, and AI agents.
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Set technical standards and guide how the engineering team builds as it grows.
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Ship improvements regularly to users operating real businesses.
What We're Looking For
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At least 2 years of experience shipping production software, or an equivalent record as a founder, solo builder, or exceptional early-career engineer.
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Experience building and running LLM or AI agent systems in production, with real users relying on them.
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Full-stack range, including the ability to work across backend, infrastructure, and user interfaces.
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Experience turning prototypes into dependable systems through sound architecture, data models, runtime design, and orchestration.
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Evidence of owning technical decisions and delivering quickly in an early-stage or independent environment.
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Strong generalist engineering skills and practical experience with agent workflows, memory, evaluations, or verification are valuable.
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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.