A Commerce Server developer designs, develops, and manages e-commerce applications using a commerce server platform. They are responsible for integrating e-commerce solutions with other systems like payment gateways, ERP, and CRM. They work on server-side programming, database management, and ensure secure, efficient transaction processing. They maintain and improve existing e-commerce platforms, troubleshoot technical issues, and implement updates. They also collaborate with web designers to optimize user experience. Furthermore, they need a strong understanding of commerce server architecture, software development languages, SQL databases, and web technologies like HTML, CSS, and JavaScript.