There are several advantages to hiring a Vaadin developer. First, Vaadin is a Java-based web development platform that provides a rich set of web components and tools for building web applications. This means that developers with experience in Java can quickly learn how to use Vaadin to build sophisticated web applications. Second, Vaadin applications are highly responsive and interactive, providing users with a rich user experience. Finally, Vaadin provides excellent support for internationalization, allowing developers to build applications that can be used by users around the world.