E-Commerce Backend System built using ASP.NET Core, C#, and Entity Framework Core. The project implements secure JWT Authentication and Role-Based Authorization to manage users and system access efficiently. It provides complete CRUD operations for products, categories, carts, and orders, along with advanced order management features such as order status tracking and analytical reporting (daily, weekly, and monthly). The system follows clean architecture principles and RESTful API design to ensure scalability, maintainability, and high performance.