Built a full-stack real-time chat application using React.js, Node.js, Express.js, MongoDB, Socket.io, and Tailwind CSS. Implemented secure JWT authentication, signup/login/logout, profile management, real-time messaging, online/offline status, responsive UI, REST APIs, and production deployment.
Production Next.js app handling real transactions. Integrated Razorpay payments, built secure JWT auth with refresh token rotation, implemented Redis caching for performance, and designed admin analytics dashboard. Supports product/category management, coupon system, and multi-user checkout flow.
