Hiring a Hibernate developer offers several key advantages. Firstly, Hibernate developers can effectively manage database communication, simplifying the creation, retrieval, update, and deletion of data records. They can translate complex SQL syntax into simpler, object-oriented coding languages, reducing development time and making code easier to read and maintain.

Hibernate developers can also significantly reduce the amount of database-related code in applications. This is due to Hibernate’s ability to automatically map Java classes to database tables and vice versa, which can speed up development times and reduce potential for errors.

Another key advantage is their ability to create more efficient and robust applications. Hibernate supports lazy initialization, which improves performance by only loading data when it's needed. It also provides transaction management services, ensuring all database actions are completed successfully before changes are committed.

Moreover, Hibernate's caching mechanisms can further improve application performance. Hibernate developers can configure these caches to store frequently accessed data, reducing the need for time-consuming database queries.

Finally, Hibernate developers are often well-versed in Java, SQL, and other related technologies. This means they can handle a wide range of development tasks, making them a valuable addition to any software development team. The combination of these skills and benefits makes hiring a Hibernate developer a smart choice for many businesses.