A XNA developer is a software engineer who specializes in developing video games for Microsoft's Xbox and Windows platforms using the XNA framework.XNA developers are responsible for creating the game logic, programming the game engine, and designing and implementing gameplay features. They may also create tools and utilities to assist in game development, and contribute to the overall game design. In addition to their technical skills, XNA developers must have a strong understanding of video game design principles and be able to work collaboratively with other members of a development team.