Senior Frontend Engineer at Wordware

This is a full-time, in-person role based in San Francisco (Presidio) - we work from the office 5 days a week . This is a full-time, in-person role based in San Francisco (Presidio) - we work from the office 5 days a week . You must be based in the Bay Area or willing to relocate before starting . You must be based in the Bay Area or willing to relocate before starting . We require US work authorisation , but are open to O-1 visa sponsorship for truly exceptional candidates. We require US work authorisation , but are open to O-1 visa sponsorship for truly exceptional candidates. You'll own the frontend of Sauna — shipping interfaces that feel instant, intuitive, and polished even when the underlying work is complex. You'll need to make product and design calls yourself, prototype quickly, and execute without waiting for perfect specs. Sometimes you'll implement designs. Other times you'll create them. TypeScript, React, Tanstack, Zustand, TailwindCSS, IndexedDB, Cloudflare Workers. Minimum 4+ years of frontend engineering with a portfolio of complex web apps you've shipped — we want to see multiplayer experiences, apps handling large data with sophisticated fetching and caching, or