About the role My client is an early-stage AI company building models that reason about physical structure and geometry. Tasks Tool use, orchestration, retrieval, and agent workflows Full-stack product development Evals that expose real failure modes Deployment, observability, latency, and cost Requirements 3–6 years of software engineering experience Substantial agentic systems experience Production LLM work Python plus TypeScript or C++ Daily use of Codex, Claude Code, or Cursor is required Schedule Five days onsite 60+ hours per week expected Pay $200K–$280K base Benefits Visa sponsorship available How to apply Send your resume and a brief explanation of how you use AI coding agents Location San Francisco