What does a freelance embedded firmware engineer do?

A Freelance Embedded Firmware Engineer designs, develops, and tests low-level software (firmware) that controls hardware devices. They often work on projects such as microcontroller programming, developing drivers, or integrating sensors and peripherals in embedded systems. As freelancers, they typically work with multiple clients, providing expertise in areas like C/C++ programming, hardware interfacing, and debugging. Their role is crucial in making electronic devices function efficiently and reliably.