A Linux Developer specializes in developing software applications and systems that run on the Linux operating system. They are proficient in programming languages like C, C++, Python, and shell scripting, and are skilled in working with Linux-based tools, libraries, and frameworks. Linux Developers focus on creating, maintaining, and optimizing software for Linux environments, including server-side applications, network utilities, and open-source projects. They work with Linux distributions such as Ubuntu, CentOS, or Red Hat, and often handle tasks like system administration, performance tuning, kernel development, and integration with other systems. Their work ensures that applications are efficient, secure, and reliable within the Linux ecosystem.