There are many reasons to hire a JMS developer. Some of the most common reasons include: - JMS developers have experience working with the Java Message Service, which is a popular messaging system used in many applications. - JMS developers can help you set up and configure your messaging system, as well as develop custom solutions for your specific needs. - JMS developers are familiar with the various aspects of message queuing, such as routing, delivery guarantees, and message ordering. - JMS developers can also provide support and maintenance for your messaging system.