Develop and maintain embedded firmware for IoT Wi-Fi HaLow devices, including RTOS drivers, network stack integration, 802.11ah upper layers, bootloaders, interrupt handlers, DMA routines, and performance and power optimizations. Build Python testing tools, troubleshoot customer issues, and collaborate with hardware and systems engineers. The role requires C firmware development, Linux drivers, ARM Cortex and RISC-V architectures, hardware buses, static analysis, and automated testing.