A flash array storage developer designs, develops, and optimizes flash-based storage solutions. They work with complex technologies like Solid-State Drives (SSD) and Non-Volatile Memory Express (NVMe) to improve data storage and retrieval efficiency. Their responsibilities include writing code, testing and debugging software, and configuring systems. They also collaborate with other teams to ensure the storage solutions meet business requirements, provide high performance, and are reliable. Furthermore, they may need to provide technical support for the developed systems. Understanding hardware limitations, data redundancy, and data security are also crucial aspects of their role.