Improved the page speed by 15% for an e-commerce site by using RTK, leveraging browser caching and improving server response times.Combined Single Page Application (SPA) architecture and client-side MVC, drastically increasing page speeds went from 300ms+ to <80ms latency. Developed and maintained secure RESTful APIs, implementing encryption, authentication, and authorization protocols to ensure protected communication between the frontend and backend systems.Strategized and implemented improvements to the codebase to phase out legacy code, enhancing code maintainability and quality.

- Contributed to the development of features, enhancements, fixes and deployed scalable RESTful web apps using React.js.- Ensured compatibility with major browsers on mobile and desktop platforms.- Conducted Unit and Integration tests for all new functionality.- Troubleshooted and repaired critical bugs and site issues in production.