10+ years of professional software engineering experience, with a strong emphasis on frontend development Expert-level proficiency with JavaScript, TypeScript, React, and modern front-end architectures Demonstrated experience building or leading design systems, component libraries, or UI platforms Strong knowledge of performance optimization, accessibility (WCAG), responsive design, and cross-browser compatibility Deep familiarity with frontend tooling (Webpack, Vite, Turborepo, ESLint, Storybook) and testing frameworks (Cypress, Playwright, Jest, RTL) Proven ability to lead technical direction, mentor senior engineers, and drive adoption of standards Excellent communication skills and ability to collaborate with Product, Design, and Engineering teams