Resume example

Frontend Developer resume example

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Sarah Chen

Frontend Developer · Design Systems

Summary

Built a reusable component library used by 8 teams across 40+ products, cutting time-to-market 35%. Optimized Core Web Vitals (LCP 2.1s → 1.2s), lifting conversion 8%.

Experience

Senior Frontend Engineer · WebScale2021 — Present

Architected a 50-component TypeScript design system adopted by 8 teams; design-to-code 3 days → 4 hours
Optimized Core Web Vitals on 12 pages: LCP -42%, CLS -48%, conversion +8.1%
Led accessibility remediation to WCAG 2.1 AA; a11y bugs down 87%

Frontend Engineer · AppCo2019 — 2021

Migrated 15K lines of jQuery to React; bundle -200KB, SEO +18 points via SSR
Built infinite scroll for 50K DAU with virtualization at 60 FPS

Skills

React, TypeScript, CSS/Tailwind, Jest/React Testing Library, Vite, DevTools profiling, Git

Education

B.S. Computer Science

Why this works

✓Lead with web-performance metrics and the technique used.
✓Showcase component/design-system work with adoption numbers.
✓Demonstrate testing rigor (unit, component, E2E).
✓Mention accessibility and SEO with Lighthouse/WCAG evidence.