Strong C/C++ proficiency and hands-on experience with device drivers/user-space drivers, Linux embedded development, systemd service management, general Linux system administration, and real-time systems (latency analysis via CyclicTest , ftrace ). ","469777815":"multilevel"}" data-aria-posinset="0" data-aria-level="1"> Design and implement software integrating external sensors (PCIe, DMA, Ethernet, CAN) into the system using C++ , including debugging and performance tuning at the system level.