Advanced: C#, .NET 8+, .NET 10, ASP.NET Core, Entity Framework Core, LINQ, REST APIs, WinForms, ADO.NET, SQL, PostgreSQL, SQL Server, JSON, XML, NUnit, xUnit, Moq, HTTPS, Git, Jira.Intermediate: Blazor, HTML5, CSS3, JavaScript, jQuery, AJAX, Python, SQLite, Redis, AutoMapper.Strong fundamentals in C# and object-oriented programming (OOP/OOD), with around 8 years of experience in .NET development;Experience developing backend applications and REST APIs using ASP.NET Core;Experience with Entity Framework Core, database migrations, query optimization, and relational databases;Experience working with PostgreSQL and SQL Server;Understanding of SOLID principles, common design patterns, clean code, and maintainable application architecture;Experience writing unit and integration tests using .NET testing frameworks;Experience with asynchronous programming, background services, and HTTP client integrations;Knowledge of API security fundamentals, authentication, authorization, and HTTPS;Experience with Git-based version control and collaborative development workflows;Familiarity with Blazor and modern web application development;Focus on application reliability, performance, testability, and maintainability.