A Data Structure developer designs, implements, and manages data structures that efficiently store, organize, and manipulate data. They create algorithms to access, retrieve, and perform operations on data effectively. Their responsibilities also include optimizing these data structures for better performance, ensuring data integrity, and facilitating data analysis. They work closely with software developers to understand their data needs and provide appropriate data structure solutions. They also troubleshoot and resolve any issues related to data structures. Moreover, they need to stay updated with the latest advancements in data structure concepts and technologies.