Firmware engineers are crucial in bridging the gap between hardware and software. They develop the low-level code that controls devices, ensuring seamless operation. This role involves programming in C/C++, debugging, and hardware testing. Firmware engineers often work on embedded systems, IoT devices, and consumer electronics. They need a strong understanding of microcontrollers, memory management, and real-time operating systems (RTOS). Key skills include proficiency in assembly language, knowledge of communication protocols (like SPI, I2C, UART), and experience with debugging tools. A background in electronics engineering or computer engineering is highly beneficial.