Hiring a KineticJS developer can significantly enhance your web applications. KineticJS is a robust framework for creating rich, interactive graphics and animations on the web. A KineticJS developer can leverage this tool to deliver highly engaging user experiences, improve user interface, and ensure smooth, efficient performance. Their expertise can help in creating intuitive, visually appealing and responsive applications, making your website or application stand out and potentially attract more users or customers. They can also provide valuable insights into best practices for web development, ensuring your project is up-to-date with current trends and technologies.