Hiring a Java Web Services developer can bring numerous advantages to your organization. Firstly, they can build robust and secure web applications using Java, a platform-independent language, ensuring smooth operation across different operating systems. Their expertise can help in creating scalable applications that can handle increased load without compromising performance.

Secondly, Java Web Services developers can efficiently integrate various applications in a distributed environment using SOAP and RESTful APIs. They can help streamline business processes by facilitating seamless communication between different software systems, enhancing productivity and efficiency.

Thirdly, they are proficient in using frameworks like Spring, Struts, and Hibernate, which can speed up the development process, reduce coding errors, and improve code maintainability. This can significantly reduce your development time and costs.

Fourthly, their knowledge of Java security features can ensure the development of secure web applications, protecting your data and systems from potential threats. Their ability to implement authentication and authorization mechanisms can further enhance the security of your web services.

Lastly, Java Web Services developers typically have strong problem-solving skills and the ability to think algorithmically. This makes them capable of troubleshooting and resolving issues quickly, ensuring minimal downtime and enhancing user experience.

In sum, hiring a Java Web Services developer can be a strategic move that brings efficiency, scalability, security, and cost-effectiveness to your web development projects.