Skyline Jo is a CodeIgniter-based e-commerce platform featuring modular architecture for easy scalability and maintenance. It includes a custom-built admin panel with role-based access control (RBAC), product and category management, order tracking, and user management. The system supports Cash on Delivery and Stripe integration for payments. SEO-friendly routing, server-side validation, session-based authentication, and optimized database queries ensure high performance and security. The frontend is responsive and built with clean MVC practices for maintainability.