This project presents the design and implementation of MachiNova, a web-based e-commerce platform dedicated to electronic products and home appliances. The objective of the system is to provide customers with a simple, modern, and secure online shopping experience, while offering administrators efficient tools for managing products, categories, orders, coupons, customers, stock, and sales statistics. The application was modeled using UML diagrams, including use case, sequence, and class diagrams. It was implemented using HTML, CSS, JavaScript, PHP, and MySQL, following a layered architecture