A Morae developer specializes in utilizing Morae, a usability testing software, to analyze user interactions with applications or websites. They set up and record sessions, where users' actions, facial expressions, and voice are captured for analysis. The Morae developer then extracts and interprets data to identify usability issues, user behavior patterns, and user satisfaction levels. They use this information to make recommendations for improving the user interface and overall user experience. They often collaborate with UX designers, software developers, and product managers, contributing crucial insights to enhance product development and design processes.