Hiring an ASP.NET Core developer is beneficial as they can create robust, secure, and scalable web applications. They can leverage the framework's high performance, cross-platform support, and cloud-based deployment capabilities. These developers are skilled in building microservices and dynamic web pages, integrating databases, and implementing APIs. Their ability to use .NET Core's modularity can lead to easy-to-maintain code. They can also utilize the latest technologies and practices like containerization, which can improve your application's deployment process. Their expertise can significantly enhance your web development projects.