Sanjeev Kumar

• Developed scalable and maintainable REST APIs using ASP.NET Core to support production-level e-commerce operations, • handling high daily user traffic • Implemented JWT-based authentication and authorization to enhance system security and prevent unauthorized access • Reduced API response time by 30% through query optimization and caching • Built a responsive admin dashboard using React and Redux for efficient product and order management • Integrated Razorpay payment gateway to enable secure and seamless online transactions • Deployed and managed the application on AWS EC2 (Linux) using Nginx and PM2, with automated CI/CD pipelines via • Jenkins