Founding Agentic Engineer

ABOUT THE ROLE Join the engineering team as a founding-level engineer responsible for the agent layer at a flexible-work marketplace and SaaS company. You will build production agent systems that connect with real-world business workflows, set patterns for how agents are built and improved, and work closely with company leadership. WHAT YOU'LL DO - Own the agent layer end to end, including context systems, self-learning, evaluations, the agent harness, and the meta-harness. - Build a knowledge base that accumulates information about undocumented systems and improves future integrations. - Develop workflows that detect production failures, diagnose causes, and recover autonomously. - Establish how agents are built, measured, and improved across the platform. - Create tools and processes that enable teams to build, evaluate, and evolve agents quickly. - Help grow the team and take on increasing leadership of agentic systems. WHAT WE'RE LOOKING FOR - Two to nine years of professional software engineering experience, with a degree completed or in progress in engineering, computer science, or a quantitative field. - Recent experience building and shipping agentic software in production, ideally in an early-stage startup environment. - Strong experience with context engineering, evaluation-driven iteration, agent tracing, and production agent harnesses. - Experience building systems that learn from accumulated knowledge or autonomously detect, diagnose, and recover from failures. - Familiarity with TypeScript, Effect-TS, PostgreSQL, large language models, and agent evaluation tools. COMPENSATION & BENEFITS Annual salary range: $150,000 to $300,000 USD. Visa sponsorship is available, including O-1 sponsorship. LOCATION On-site in San Francisco, California, five days per week. US-based candidates with a concrete relocation plan to San Francisco may also be considered.