An Izotope RX developer works on the creation and improvement of Izotope RX, a platform for audio repair and enhancement. They design algorithms for noise reduction, audio restoration, and sound quality improvement. They also work on the user interface to ensure it is intuitive and user-friendly. Collaborating with sound engineers and other audio professionals, they gather feedback to enhance product features. Additionally, they debug and fix any issues, ensuring the software performs optimally. Their role requires a deep understanding of audio signal processing, software development, and user experience design, all crucial for delivering a top-notch audio editing tool.