A CS developer primarily works on computer graphics and virtual reality technologies. They design, develop, and implement interactive graphics, models, and virtual environments using various programming languages and graphic design tools. They create algorithms for rendering graphic data, optimize graphic performance, and troubleshoot issues related to graphics. They also collaborate with other team members to integrate graphics into software applications and games. Their role involves understanding and applying principles of computer graphics, including lighting, shading, geometric transformations, and viewing in and . They must stay updated with advancements in computer graphics and virtual reality technologies.