A C/C++ Unix/Linux ARM developer designs, develops, and troubleshoots software applications for Unix/Linux operating systems on ARM architecture. They write efficient, maintainable code primarily in C and C++, two high-level programming languages. Their tasks include managing system resources, optimizing performance, and ensuring software compatibility with ARM processors. They also work on kernel-level programming, device drivers, and system-level programming. Additionally, they debug and fix issues, enhance application functionalities, and perform regular system updates. Their role involves understanding complex technical specifications, creating system models, and working collaboratively in a development team.