A Contextual Design (CD) developer conducts field research to gather detailed information about customer interactions and experiences. They analyze and interpret this data to understand user needs, behaviors, and work patterns. Using CD methodologies, they synthesize and present their findings visually, often through models and diagrams. These insights then guide the design of software, products or systems, ensuring they are user-centric and fit seamlessly into the user's life or work. The CD developer collaboratively iterates on these designs, continually refining them based on user feedback. Their ultimate goal is to enhance user satisfaction and improve overall user experience.