An ActionScript developer creates and manages interactive multimedia applications, games, and websites using ActionScript language, which is primarily used for Adobe Flash Player platform. Their tasks include designing user interfaces, coding, debugging, testing, and optimizing performance. They develop functionalities like audio and video streaming, data manipulation and create animations for enhanced user experience. They also work with other team members like graphic designers and software developers to integrate their work into the final product. They need to stay updated with new trends and technologies in Flash and ActionScript to provide innovative solutions. They also troubleshoot and solve any issues that arise during development.