Hiring a FluentLenium developer is beneficial as they bring expertise in a robust framework that simplifies browser automation and web testing. They can leverage its unique features like fluent interface, jQuery-style API, and capabilities in handling AJAX requests to ensure your web application's functionality, compatibility, and user experience. Their proficiency in FluentLenium, built upon Selenium and integrated with JUnit and TestNG, ensures a comprehensive testing strategy, reducing bugs and improving application quality. This leads to enhanced user satisfaction, increased trust in your product, and ultimately, business growth.