How a Brazilian CS Student Built a Secure Cross-Platform .NET 8 App with Shared API

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Lucas Menezes, a student at Universidade Paulista (UNIP), developed TechService as part of his PIM IV project for the Systems Analysis and Development course. The application manages service orders by connecting a web-based admin panel built with ASP.NET Core MVC and a mobile app built with .NET MAUI through a single shared .NET 8 Web API. A MySQL relational database handles data persistence, while JWT authentication secures access across both client applications. The architecture ensures that neither the web nor the mobile app communicates directly with the database, keeping business logic centralized in the API layer. The project demonstrates how decoupled, multi-platform systems can share a unified backend while maintaining security, consistency, and maintainability.

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