C# (pronounced "C sharp") is a popular programming language developed by Microsoft, known for its versatility and integration within the .NET framework. It's widely used for building a variety of applications, including web and mobile apps, games, and enterprise software solutions. With its strong support for modern development practices and cross-platform capabilities through .NET Core, C# continues to be a leading choice for developers aiming to build efficient and scalable applications across different platforms. 

Salary for beginners ranges medium to high.