A CrazyBump developer works on a unique software program designed to create high-quality normal, displacement, occlusion, and specular maps from images. The developer's tasks include writing, debugging, and updating code for the software, ensuring seamless user interaction and improving algorithms to enhance texture quality. They also test and debug the application to guarantee optimal performance. They're responsible for incorporating user feedback into updates and new features, and often work closely with graphic designers and artists to understand their needs. Their ultimate goal is to enhance the visual details in modeling and gaming environments.