As a freelance programmer, I have extensive experience in developing web and desktop applications. I create modern, dynamic, and scalable projects using technologies such as ASP.NET Core, Web APIs, databases, and cloud infrastructure, always striving for code quality by following SOLID and Clean Code principles.Main Projects:- IronGym (Jun 2024 - Jul 2024) Role-based management system with JWT token authentication, email verification, and REST API for managing users and employees. Includes role-based access control and unit testing with FluentAssertions and FakeItEasy.Technologies: C#, ASP.NET MVC, REST API, HTML5/CSS3, SQL Server, EF Core, xUnit, Unity Testing.- LockBox (May 2024 - May 2024)Password manager that communicates with a REST API for user and password CRUD operations. Uses cookies and JWT tokens for sessions, password encryption with Hash and AES, and email verification via code.Technologies: C#, ASP.NET MVC, REST API, HTML5/CSS3, SQL Server, EF Core.- Clínica da Mulher (May 2024 - Jun 2024) Project developed for a local clinic with an intuitive and modern interface, enabling CRUD operations for appointments, clients, and reasons for appointments, as well as data search and organization.Technologies: C#, WinForms, EF Core, SQLiteYou can check out all my projects on my GitHub: https://github.com/davidfreitas51