Founding Engineer

ABOUT THE ROLE Join an early-stage AI company as its first engineering hire, working directly with the founder in San Francisco. You will evolve a working AI workforce product into reliable infrastructure designed to scale, with the opportunity to grow into a CTO role as the work and team develop. WHAT YOU'LL DO - Rebuild the product foundation to support substantial user growth and production workloads. - Design and operate the agent runtime, including orchestration, memory, verification, and reliability systems. - Own technical work across backend, infrastructure, frontend, and agent systems, as company needs evolve. - Set the technical architecture, stack, engineering standards, and development practices. - Ship improvements weekly to customers using the product in live service businesses. WHAT WE'RE LOOKING FOR - At least two years shipping production software, or an equivalent record as a founder or solo builder; exceptional early-career engineers are also considered. - Full-stack range, with the ability to work from backend and infrastructure through product UI. - Experience building and operating LLM or AI agent systems used by real customers, not demo-only projects. - Experience turning prototypes into production infrastructure, including architecture, data models, runtimes, and orchestration. - Evidence of owning technical decisions in a small or early-stage team, and shipping to production users weekly or faster. - Useful experience includes agent orchestration, memory, evaluations, verification, multi-agent workflows, or software for recruiting, agencies, and other service businesses. - Strong technical fundamentals and the ability to explain the difficult parts of systems you have built. COMPENSATION & BENEFITS Base salary is $150,000 to $250,000 USD annually, plus meaningful founding equity. Visa sponsorship and relocation support are available. LOCATION On-site in San Francisco, California. The founding team works together in person.