Hiring a -x developer is beneficial due to their expertise in creating interactive and engaging games for various platforms such as iOS, Android, and Windows. They can effectively utilize this light-weight, open-source framework to develop high-performance games with less memory footprint. They are skilled in using C++, JavaScript, and Lua within the -x environment, providing flexibility in game development. Their knowledge can help in creating games with stunning visuals, smooth animations, and efficient performance, enhancing user experience. They can also assist in troubleshooting and optimizing your current game projects.