. NET developer is an IT specialist who focuses on the development of a complete application life cycle using . NET languages — C# and VB, where the application is created from scratch. First, the project is planned, then code is written, tested, and launched, and after that comes support and improvements.A net developer is responsible for producing code using . net languages such as C# and VB. Net developers create applications from scratch, configure existing systems and provide user support. Also, net developers are able to write functional code with a sharp eye for spotting defects.These abilities include programming language fluency in C# or VB.NET, knowledge of the.NET framework and its numerous components, knowledge of web development technologies such as ASP.NET, familiarity with databases and SQL, and experience with version control systems such as Git.