A C++/CLI developer is essential for creating and managing applications that work on the .NET framework. They possess expertise in both C++ and .NET languages, allowing for seamless interoperability and efficient code migration. These developers can create high-performance applications, handle memory management, and leverage .NET's security and networking features. Their ability to write 'managed code' enables faster execution and less error-prone software. Therefore, hiring a C++/CLI developer can significantly enhance your software development capabilities and lead to more robust, efficient, and secure applications.