An iRise developer is responsible for creating interactive prototypes and simulations using iRise software. They work closely with business analysts, UX designers, and stakeholders to define requirements and create visualizations of software applications before they are built. This includes designing user interfaces, defining user flows, and simulating business processes. They also facilitate collaboration and feedback on prototypes, enhancing the design based on feedback. Their work helps reduce development errors, speeds up the software development process, and improves the quality of the final product by ensuring it meets user needs and expectations.