Hiring a Design Pattern developer brings significant benefits. They have a clear understanding of coding solutions to common problems, improving code readability and reducing development time. Their skills improve software structure, making it more efficient, scalable, and maintainable. They also ensure easier debugging and testing, enhancing the overall software quality. Their knowledge in design patterns promotes better team communication through a shared language, and facilitates code reuse, reducing potential errors and complexities. Overall, they can provide robust, optimized, and efficient software design.