Staff Fullstack Engineer, User Auth Experience

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career. About the team The User Auth Experience (UAX) team makes authentication and account security at Stripe world-class—secure by default, frictionless for legitimate users, and resilient against evolving threats. We own the end-to-end login, registration, and session management experience for the Stripe Dashboard, and we're expanding that security foundation to every surface where users and agents interact with Stripe. We improve security, access, and usability simultaneously—without compromising any of the three. Our scope spans account takeover prevention, API key security, auth for AI agents, and a two-party approvals framework governing both human and automated actions. The team sits within OAP (Organizations and Auth Platform) in the DEeP (Developer Experience and Product Platform Engineering) organization at Stripe. What you’ll do As a Staff Engineer on UAX, you'll set technical direction across multiple areas of the team's charter, drive architecture decisions th