Hiring a MFC (Microsoft Foundation Class) developer is crucial if you are dealing with applications that need to run on Windows platforms. MFC developers are skilled in creating applications with graphical user interfaces, database access, and internet connectivity. They understand the Windows architecture and can optimize your software for better performance. Their expertise can help you build robust, efficient, and user-friendly Windows applications, ensuring a seamless user experience. Their knowledge of C++ and object-oriented programming also allows for high-quality coding, making your software reliable and maintainable.