• Contributed to redesigning and implementing the company website UI using HTML, JavaScript, and jQuery, later migrating core sections to React.js and Next.js, improving initial load time by ~18%
• Refactored and tested existing components, reducing front-end bugs by ~5% through regression testing and incremental improvements
• Developed and optimized RESTful APIs to serve dynamic data based on user interactions, handling thousands of concurrent requests during peak traffic periods
• Improved backend response time by ~2x through bottleneck analysis, use of asynchronous logic, and process optimization with Node.js async patterns and job offloading