Senior Software Engineer Job at Rec Gen in San Francisco

Overview Founding Product Engineer – AI Startup (On-site in SF). An early-stage AI company backed by $15M in funding is hiring their Founding Product Engineer — the first technical hire working directly with the founders (ex-Anthropic, McKinsey, Thiel Fellows). This is a rare chance to shape the product, culture, and technical direction of a company tackling the next frontier of AI risk, safety, and agent evaluation. Base pay range $200,000.00/yr - $350,000.00/yr Direct message the job poster from Rec Gen Salary information provided by Rec Gen; actual pay based on skills and experience — talk with your recruiter to learn more. Responsibilities Build the gold standard for AI agent evals, reliability, and risk tooling (e.g., hallucination detection, jailbreak prevention, brand-safe filters, and more). Ship quickly, speak to customers daily, and own end-to-end problems in a fast-paced, zero-to-one environment. Be the first technical hire, working directly with founders to shape product, culture, and technical direction. What we’re looking for 5+ years of hands-on product engineering experience at top-tier startups (preferably in AI). Strong experience across Next.js, TypeScript, Python, React, and LLMs. Startup mindset: shipping > polishing; momentum > meetings. Willing to be on-site 5 days/week in San Francisco (relocation supported). 0.5–2.5% equity. SF-based office, 5 days/week. Please submit a resume to highlight your interest. Employment details Seniority level: Not Applicable Employment type: Full-time Job function: Product Management and Information Technology Industries: Software Development and IT Services and IT Consulting We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr