An Assembly developer specializes in writing, debugging, and maintaining low-level code for microcontrollers, a popular type of embedded system. They work with the assembly language specific to this architecture, translating high-level algorithms and logic into -specific instructions that the hardware can interpret. They also engage in testing the functionality of the microcontroller, ensuring that the software interacts correctly with the hardware. Their work often involves designing and implementing real-time systems, interfacing different sensors, and developing embedded applications. Their role is crucial in industries like automotive, aerospace, and consumer electronics where microcontrollers are widely used.