Hiring a JSP developer can greatly benefit your business. They can create dynamic, robust, and secure web applications using Java Server Pages, a technology that combines HTML, XML, SOAP, and other languages. Their expertise can help streamline your business processes, improve user experiences, and allow for seamless integration with other Java technologies. Additionally, JSP developers can help in maintaining and enhancing existing applications, ensuring their smooth operation. Their skills can lead to improved website performance, increased customer satisfaction, and ultimately, business growth.