A .NET Full Stack Developer is a professional with expertise in both the front-end and back-end development of web applications using the Microsoft .NET technology stack. They are responsible for designing, developing, and maintaining web applications that run on the .NET framework. Here are the key responsibilities and skills of a .NET Full Stack Developer:

Responsibilities:

1. Application Design: Collaborate with stakeholders to design the architecture and user interface of web applications.
2. Front-End Development: Create the user interface and client-side components of web applications using technologies like HTML, CSS, JavaScript, and popular front-end frameworks like Angular, React, or Vue.js.
3. Back-End Development: Develop the server-side components and logic of web applications using the .NET framework, which includes technologies like ASP.NET, ASP.NET Core, or ASP.NET MVC.
4. Database Integration: Integrate databases, such as Microsoft SQL Server or MySQL, into web applications. Design and implement database schemas, perform data migrations, and optimize database queries.
5. API Development: Create and maintain RESTful APIs or web services that enable communication between the front-end and back-end of the application.
6. Authentication and Authorization: Implement user authentication and authorization mechanisms to ensure the security of web applications.