- Built a scalable full-stack interview preparation platform containing 2200+ company-wise coding questions using React.js, Node.js, Express.js, MongoDB, and REST APIs.
- Supported 700+ registered users and generated 1000+ user interactions through contest tracking systems and optimized content delivery pipelines.
- Developed JWT-authenticated backend services, analytics dashboards, role-based authorization systems, and secure user management workflows.
- Achieved Lighthouse scores of 92/96/100/100 through caching, lazy loading, code splitting, and frontend performance optimization.