A Low-level systems programming developer designs, develops, and troubleshoots software that interacts directly with the hardware. They work closely with computer systems, understanding the architecture, operating systems, and software to create efficient programs. Their tasks include writing code in low-level languages like C or assembly, optimizing software for performance, memory usage, and system efficiency. They may also work on drivers, kernels, and firmware, ensuring seamless hardware-software integration. Debugging and updating existing systems are also part of their responsibilities. They often work in fields like embedded systems, game development, and high-performance computing.