Senior Full Stack Engineer

Senior Full Stack Engineer Salary: $160K - $230K Equity: 0.2-0.6% On-site work policy: 5 days in-office by Ferry Building, San Francisco Visa Sponsorship Details: Open to visa transfers (e.g. OPT, H1B transfers) Hiring Count: Looking to hire 1 - 2 candidates for this role Location: San Francisco, California, United States About this role We are looking for a Senior Full Stack Engineer with 4-8 years of experience to own and build net-new product areas at a high-growth AI startup transforming insurance operations. You'll join a 15-person team (10 in eng/prod) that's grown from $0 to $3M in revenue in just 15 months, building AI agents that handle complex insurance workflows across voice, chat, email, and SMS. This is a high-ownership role where you'll be building from scratch 80% of the time, specifically driving the company's new browser automation and document intelligence platform. You'll report directly to the CEO and work alongside a tight-knit, ambitious team in San Francisco . Will you be doing? Own and build conversational, real-time AI agents for insurance operations, end-to-end Ship net-new features rapidly (first PR to production in week one) across a modern TypeScript/React/Node.js stack Work cross-functionally with product and forward-deployed engineering teams, and selectively join customer meetings to demo features you've built Shape technical decisions on architecture, tooling, and infrastructure as an early engineer at a company scaling fast Help establish engineering best practices and mentor newer engineers as the team grows toward 30 people by year-end Will you be doing? Own and build conversational, real-time AI agents for insurance operations, end-to-end Ship net-new features rapidly (first PR to production in week one) across a modern TypeScript/React/Node.js stack Work cross-functionally with product and forward-deployed engineering teams, and selectively join customer meetings to demo features you've built Shape technical decisions on architecture, tooling, and infrastructure as an early engineer at a company scaling fast Help establish engineering best practices and mentor newer engineers as the team grows toward 30 people by year-end Requirements Role Requirements Seniority Requirement : 4 - 8 years of experience in full-stack engineering, shipping customer-facing products end-to-end Work experience Requirment: Senior Software Engineer or Software Engineer approaching end of mid-career, already performing at a senior level and looking for more end-to-end ownership Nice to have: Experience deploying LLM-based/agentic solutions in production Nice to have: Big tech to YC startup (Seed to Series A) pipeline Education Requirmnet: Strong academic performance (GPA 3.7+ preferred; IIT/JEE ranking is a strong positive signal) Hard skills Must have: Proficiency in a modern language with willingness to work in TypeScript/React/Node.js Nice to have : Experience with PostgreSQL and cloud infrastructure (AWS) Soft skills Nice to have: Customer-facing comfort ; willing to demo and join client calls Miscellaneous Must have : Must work on-site in San Francisco 5 days/week Must have: Been promoted multiple times at previous company and looking for new challenge