An IBM WebSphere Application Server Developer designs, develops, and maintains enterprise applications on the IBM WebSphere platform. They utilize Java-based technologies, such as , Servlets, and JSP, to build scalable and secure applications. They also configure and manage the WebSphere environment, including setting up clusters, security, and performance tuning. They troubleshoot issues, provide technical support, and ensure seamless integration with other systems. Knowledge of databases, web services, and XML is crucial. They often work closely with other IT professionals, such as database administrators and software testers, to deliver high-quality, efficient, and reliable applications.