An ActionScript developer is responsible for creating and managing interactive web content and applications using Adobe's ActionScript programming language. They design, code, test, debug, and maintain software applications, often for games, animations, or interactive websites. Their role also involves solving technical problems, improving user interface, and ensuring optimal performance and responsiveness of the application. They usually collaborate with web designers and developers to integrate ActionScript with other technologies like HTML, CSS, and JavaScript. They may also be involved in creating technical documentation and performing code reviews to ensure coding standards are adhered to.