Founding Engineer

About the Role Join an early engineering team building AI infrastructure for service businesses. As the first engineering hire, you will work directly with the founder to evolve a functioning product into reliable, scalable infrastructure for AI agents and the people who use them. What You'll Do Design and build the architecture, data models, and runtime needed to scale the product. Develop agent orchestration, memory, verification, and other systems that make AI workflows dependable. Own projects across backend, infrastructure, frontend, and agent development. Set technical direction and establish engineering practices as the team grows. Ship improvements regularly to customers using the product in real businesses. What We're Looking For At least 2 years of experience shipping production software, or an equivalent track record as a founder, solo builder, or exceptional early-career engineer. Experience building and operating LLM or AI agent systems used by real customers. Full-stack range, including the ability to work across backend services, infrastructure, and user interfaces. Experience scaling a working product and making technical decisions with a high degree of ownership. Familiarity with agent orchestration, memory, evaluations, verification, or multi-agent workflows is valuable. A track record of shipping quickly and explaining the technical challenges behind systems you have built. Compensation & Benefits Base salary is $150,000 to $250,000 annually, plus meaningful founding equity. Visa sponsorship is available, including support for relocation. Location On-site in San Francisco, California. The founding team works together in person.