An IBM WebSphere DataPower Developer specializes in creating, deploying, and managing service-oriented architecture (SOA) applications using IBM's WebSphere DataPower integration appliance. Their duties encompass designing and implementing web services, troubleshooting and resolving issues, and ensuring security measures are in place. They also handle the transformation, routing, and protocol switching of web service messages. The developer engages in configuring SSL connections, creating Multi-Protocol Gateway (MPGW) and Web Service Proxy (WSP) services, and managing XML and XSLT. They work closely with other developers and stakeholders to integrate systems and applications, ensuring they meet business requirements and performance standards.