Profile, diagnose, and fix client-side performance bottlenecks
Identify gaps in our testing strategy and work with the entire engineering org to make changes
Act as a force multiplier, writing playbooks & docs, delivering tech talks, pairing with product engineers, and creating local tooling
Requirements
5+ years of professional frontend or full-stack engineering experience, with deep expertise in React and the modern React ecosystem (hooks, concurrent features, Suspense)
Demonstrated experience working on a platform, infrastructure, or developer experience team
Strong understanding of client-side performance: profiling tools (React DevTools, Chrome DevTools, Lighthouse), rendering optimization, bundle analysis, and runtime performance tuning
Hands-on experience building or significantly contributing to a design system or component library at scale
Expertise in TypeScript and modern frontend build tooling
Familiarity with state management approaches in large React applications
A track record of mentoring, guiding, and influencing other engineers through documentation, pairing, code review, or internal tooling