A BrightStore developer is responsible for creating and maintaining software applications related to data storage and backup solutions. They work on BrightStore, a software that provides storage and disaster recovery solutions. They design and implement the software's interface, functionalities, and underlying systems. Their duties also include troubleshooting and fixing issues, ensuring the system's optimal performance, and integrating the software with other systems. They collaborate with other IT professionals and communicate with users to understand their needs and provide effective solutions. They must be proficient in programming languages and have a deep understanding of data storage technologies.