Senior Full-Stack Engineer — React / TypeScript / Node.js

San Francisco 4 days agoFull-time External
1.4k - 2.8k / yr
Senior Full-Stack Engineer (Founding-level) — React / TypeScript / Node.js (In-Person, San Francisco) Job type: Full-time Location: San Francisco, CA (in-person) Seniority: Staff / Principal-caliber Experience: 5+ years (we’re hiring for proven senior impact) Work authorization: Must already be legally allowed to work in the U.S. About the product We’re building a platform that makes it easy for non-coders to bring app ideas to life—quickly turning concepts into working products. The role We’re looking for a very senior, highly autonomous full-stack engineer—someone who can take an ambiguous problem, turn it into a clear plan, and ship a high-quality solution end-to-end. You’ll work directly with the founders and have significant ownership over product execution and technical direction, touching everything from AI systems and user-facing features to backend infrastructure. If you’re happiest when you’re building, shipping, and owning outcomes—not waiting for perfect specs—this role will fit. What you’ll do • Drive features from idea → design → implementation → launch → iteration • Build polished, high-quality user experiences with excellent UX and product craft • Design backend systems/APIs with strong attention to reliability and performance • Make pragmatic architecture decisions and unblock the team with strong technical judgment • Debug hard problems across the stack (performance, edge cases, production issues) • Move fast while maintaining high standards on the things that matter What we’re looking for (Senior/Staff/Principal traits) • Proven senior-level experience shipping production systems and owning complex projects • Ability to work with minimal oversight and consistently deliver • Strong generalist engineering fundamentals: • System design • Performance and reliability • Low-level problem solving / debugging • True full-stack comfort: frontend + backend (a spike in either is a plus) • Strong product sense: you care about details and believe craft matters Required tech • React • TypeScript • Node.js • You’ve shipped meaningful features end-to-end in production using this stack Location & availability requirements (important) • Must work in-person in our San Francisco office • Candidates outside California must be able to relocate immediately • Relocation within 1 month is acceptable • Relocation in 3–6 months is not acceptable • Must already be legally allowed to work in the U.S. • No visa sponsorship preferred Work trial (required) • One-week paid work trial • Must be in-person, Monday–Friday, full-time • Some flexibility only for exceptional candidates • Payment is made directly by the company Job Type: Full-time Pay: $100,000.00 - $200,000.00 per year Benefits: • 401(k) matching • Dental insurance • Health insurance • Relocation assistance • Vision insurance Work Location: In person