jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers. With a combination of versatility and extensibility, jQuery has changed the way that millions of people write JavaScript.jQuery jobs usually require candidates to have experience with JavaScript, HTML, and CSS. Knowledge of AJAX and JSON is also often required. jQuery developers are responsible for implementing front-end web applications using jQuery, JavaScript, and HTML/CSS. Common job titles include jQuery Developer, Front-End Engineer, and UI/UX Designer. jQuery developers often work closely with back-end developers and web designers to create functional and appealing web applications.jQuery jobs can be remote, contract, freelance, part-time, or full-time.