Hiring a Java developer can be beneficial due to their knowledge in a stable, widely-used programming language. They can provide solutions for large-scale, complex systems, ensuring high performance and security. Java includes enhanced features like automatic resource management, improved type inference, and updated APIs. These developers can handle concurrency effectively, which is crucial for high-traffic web applications and services. They can also leverage Java's platform-independent nature for cross-platform compatibility. Their expertise can contribute to efficient, robust, and versatile software development.