An Atmel Studio developer works with Atmel Studio, a comprehensive development platform for microcontroller applications. They write, compile and debug code, mostly in C or C++, for Atmel microcontrollers. Developers create and test software applications for devices like sensors, automotive parts, or other embedded systems. They use Atmel Studio's simulator or development boards for testing. They also manage firmware updates, and optimize the performance and efficiency of the systems. They often work in cross-functional teams alongside hardware engineers and product managers, translating requirements into functional, reliable software. Their work is essential for the development of microcontroller-based products and systems.