Hiring a Microsoft IIS developer is beneficial as they have specialized skills in managing, deploying, and ensuring the smooth performance of web servers and applications. They can optimize your Microsoft server environment for efficiency, security, and scalability. Their expertise can help troubleshoot issues swiftly, minimizing downtime. They can also assist in integrating other Microsoft technologies, enhancing your overall system functionality. Their knowledge can be pivotal in creating a robust, secure, and high-performing web infrastructure for your business.