A Content Delivery Network (CDN) developer designs, implements and maintains a network of servers that deliver web content to users. They ensure that these servers are optimized for speed and efficiency, enabling quick and reliable access to websites and online services. They also manage data distribution to reduce latency, handle traffic spikes, and secure data transmission. Furthermore, they troubleshoot network issues, implement updates and enhancements, and work closely with other IT professionals to integrate CDN into broader infrastructure. Their work significantly contributes to improving user experience, particularly in terms of website loading times and performance.