About the Role
Join an early-stage AI company as its first engineering hire, working closely with the founder to turn a working AI-powered service business product into scalable infrastructure. You will shape the architecture and technical foundations for AI agents supporting real-world business operations, with the opportunity to grow into a CTO role as the company develops.
What You'll Do
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Rebuild and scale the existing product into infrastructure designed to support substantial user growth.
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Design and operate the agent runtime, including orchestration, memory, verification, and reliability systems.
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Build across backend, infrastructure, frontend, and AI agents, taking projects from design through production.
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Set technical architecture, engineering standards, and development practices as the first engineer.
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Ship product improvements regularly to customers running 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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Full-stack range across backend, infrastructure, and user-facing product development, with the ability to make technical decisions independently.
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Hands-on experience building and operating LLM or AI agent systems used by real customers, not just prototypes or demos.
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Experience taking a working product or prototype to reliable production infrastructure, including architecture, data models, runtime, or orchestration.
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Strong generalist engineering skills and the ability to explain the technical challenges behind systems you have built.
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Experience with agent orchestration, memory, evaluations, verification, or multi-agent workflows is valuable. Background in service businesses such as recruiting or agencies is also useful.
Compensation & Benefits
Base salary is $150,000 to $250,000 annually, plus meaningful founding equity. Visa sponsorship and relocation support are available.
Location
On-site in San Francisco, California. The team works together in person.
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