Hiring a Gentoo Linux developer brings in a professional skilled in a highly customizable, source-based distribution. These developers can optimize Linux systems for specific hardware, ensuring peak performance and security. They have comprehensive knowledge about system assembly, enabling them to build tailored solutions. Their experience with Portage, Gentoo's package management system, allows for efficient software handling. These developers also bring problem-solving skills, as Gentoo often requires hands-on management, and they are typically well-versed in various programming languages. Overall, a Gentoo Linux developer can provide a highly customized and efficient Linux environment.