Led frontend architecture, reusable UI components, E2E/unit testing (Jest, Cypress), CI/CD, and collaborated with UX/compliance for maintainable React code. Improved Lighthouse scores via code splitting and optimization.

Architected modular React 18 + TypeScript component library adopted across 6 products, cutting feature delivery time by ~30%. Owned feature lifecycle, improved Core Web Vitals, and ensured zero critical incidents.

Developed high-availability web apps, implemented real-time updates with WebSockets, optimized performance with code splitting/lazy loading, and shipped features in agile squads.

Delivered React + TypeScript apps for Disney Parks, serving millions daily. Built real-time WebSocket features and improved load times as senior JavaScript developer.

Migrated large codebase, established global state management, improved data consistency, and enabled stable continuous deployment with Jest + Cypress.

Led Angular migration (v8→11) with zero downtime, implemented strict TypeScript, NgRx state management, and automated test coverage.