A C# . developer designs, builds, and maintains efficient, reusable, and reliable C# code for software applications. They troubleshoot and resolve software defects and deficiencies. They perform code reviews, ensure application performance, and maintain code quality. They also actively participate in team meetings for designing software and enhancing the existing infrastructure. They work on backend services, client-server applications, and help maintain code quality, organization, and automatization. They need to understand the .NET framework and be able to use C# in developing web services and applications. They also need to be familiar with the new features of C# . like Generics and Anonymous methods.