A C++ Linux Developer designs, develops, and maintains software applications using C++ programming language on Linux operating systems. They write efficient, reusable, and reliable C++ code, optimize software for speed and reliability, and debug applications. They engage in system-level programming, creating system architecture, and developing new features. They also work on kernel modification, device drivers, and server-side programming. They collaborate with other team members, participate in code reviews, and follow software development methodologies. Furthermore, they ensure software security and compatibility, and regularly update their skills and knowledge about new programming tools and techniques.