PROFILE
Senior Frontend Engineer with 7 years shipping React, TypeScript, and Edge-first apps at Stripe and Vercel. I lead performance, design-system architecture, and developer-experience tooling — turning slow flows into fast ones and tangled code into systems teams love.
EXPERIENCE
Stripe — Senior Engineer
2022 — PresentSan Francisco, CA
- •Migrated payment flow to a micro-frontend architecture serving 40+ teams; cut build times 60%.
- •Reduced bundle size 38% via aggressive code splitting and React Server Components rollout.
- •Led the Stripe Connect onboarding redesign; conversion lifted 14% across 12 markets.
- •Mentored 6 engineers across 3 product teams; 4 promoted to senior within 18 months.
- •Built internal Edge cache layer now used by 8 product surfaces.
Vercel — Engineer
2020 — 2022Remote
- •Built the Edge Functions developer dashboard from zero to GA in 9 months.
- •Shipped real-time deployment logs feature; adopted by 80% of paid users in first quarter.
- •Authored internal RFC framework still in use across the platform team.
Independent — Frontend Consultant
2018 — 2020Remote
- •Delivered React + Next.js builds for 11 startups; 3 raised Series A using shipped product.
- •Wrote technical content read by 200K+ developers monthly on personal blog.
EDUCATION
Stanford University — BS Computer Science
2014 — 2018Stanford, CA
Concentration in Human-Computer Interaction. Senior thesis on Edge-rendering performance budgets.
PROJECTS
react-aria-tabs
Open-source accessible tabs primitive. 2.4k stars, used by 18 production apps.
github.com/achen/react-aria-tabs
Vercel Edge Config Dashboard
Internal tool used by 2k+ teams; reduced support ticket volume by 35%.
AWARDS
- GitHub Stars program · GitHub · 2023
- React Conf invited speaker · React Foundation · 2023
CERTIFICATIONS
- AWS Certified Solutions Architect · Amazon · 2022
INTERESTS
Climbing · Open-source · Synthwave music · Specialty coffee