An Assembly developer develops, tests, and debugs software programs written in Assembly language. This language is used to manipulate hardware directly, particularly in embedded systems, and is crucial for performance-critical tasks. The developer writes low-level code, often for operating systems or drivers, that interacts directly with the hardware of -based computers. Their responsibilities include understanding hardware specifications, creating algorithms, and translating those algorithms into assembly code. They also troubleshoot and resolve issues in existing software, and ensure that the final program can run efficiently on intended hardware. They need a deep understanding of computer architecture and system software.