Hiring a Modern C++ developer is crucial for robust and efficient software development. They offer proficiency in advanced C++ features like smart pointers, concurrency, lambda expressions, which ensure optimized performance and memory management. Modern C++ developers are adept at creating complex algorithms, system software, game engines, and real-time systems. Their expertise can help in building high-performance applications, providing faster execution time, and ensuring the software's stability. Furthermore, they can seamlessly work with hardware and low-level system components, making them invaluable for embedded systems or game development. They can contribute significantly to your team's productivity, code quality, and software performance.