A C# and .Net Framework developer designs, modifies, develops, writes, and implements software programming applications and components using the .Net library and C# language. They create and maintain efficient, reusable, and reliable C# code, ensuring the best performance, quality, and responsiveness of applications. They identify bottlenecks and bugs, devise solutions to mitigate and address these issues. They help maintain code quality, organization, and automation. They also work on SQL Server, designing and implementation of data models. They often work within teams, collaborating with other developers, testers, project managers, and stakeholders to deliver software projects.