A jQgrid developer is responsible for creating and managing interactive data grids using the jQgrid plugin for jQuery. They design user-friendly interfaces for data manipulation, including sorting, searching, and pagination. They work with backend developers to integrate data from various sources and ensure seamless data flow. Their tasks also include coding for CRUD operations, customizing grid appearance, and enhancing its functionality with additional plugins. They troubleshoot issues, optimize performance, and maintain code quality. Understanding of HTML, CSS, JavaScript, and jQuery, along with knowledge of server-side languages, is crucial for their role. They often collaborate with other team members to deliver robust solutions.