There are many advantages to hiring a Stripes developer, including:
They have experience building applications using the Stripes framework. This means they know how to properly structure an application and make use of all the features that Stripes has to offer.
They are familiar with Java and JSP, which are the technologies used by Stripes. This means they will be able to quickly understand your codebase and make changes as needed.
They can help you take advantage of some of the more advanced features of Stripes, such as internationalization and localization support.
They can also provide support for other languages besides Java, such as PHP or Ruby on Rails.