Michael Johnson

Senior Front-End Developer @TechCorp (Jan 2021 – Present):

• Led migration from AngularJS to React/Next.js, reducing bundle size by 35% and improving first-paint time by 40%.

• Architected a shared component library with Storybook, TypeScript, and Tailwind CSS; onboarded 8+ teams and cut new-component dev time by 60%.

• Implemented code-splitting, lazy loading, ARIA roles, and keyboard navigation, achieving 90+ Lighthouse scores and WCAG AA accessibility compliance.

Front-End Engineer @WebSolutions (Jun 2019 – Dec 2020):

• Built a headless e-commerce storefront with Next.js and GraphQL; collaborated on A/B tests that boosted conversions by 15%.

• Established CI/CD pipelines using GitHub Actions and Jest/React Testing Library; increased test coverage from 20% to 75% in six months.

Junior Developer @StartupHub (Aug 2017 – May 2019):

• Developed responsive landing pages and admin panels in vanilla JavaScript, SCSS, and Tailwind CSS.

• Translated Figma mockups into pixel-perfect UIs and optimized images/assets, cutting overall page weight by 50%.