Maria Chen
Frontend Developer
Summary
Passionate Frontend Developer with over 5 years of experience building performant, accessible web applications using React, TypeScript, Next.js, and modern CSS architectures. Specializes in Core Web Vitals optimization and design system architecture, slashing load times by 62% and enforcing WCAG 2.1 AA compliance across enterprise platforms.
Experience
- Rebuilt the checkout flow in React 18 with code-splitting, cutting page load latency from 4,200ms to 1,600ms and decreasing cart abandonment by 11%.
- Led the migration of 40 shared UI components to a WCAG 2.1 AA-compliant design system, resolving 130 accessibility issues across 8 product teams over 6 months.
- Automated a Lighthouse CI gate in the GitHub Actions pipeline, maintaining performance scores above 90% across 50 pull requests.
- Converted a legacy dashboard to React and Redux, reducing client-reported UI defects by 47% within 3 months post-launch.
- Built a reusable form-validation library adopted across 6 departments, reducing form implementation time from 3 days to 4 hours.
- Streamlined the Figma-to-code handoff workflow, cutting visual QA revisions per sprint from 5 rounds down to 2 rounds across 12 engineers.
