An Amazon EBS (Elastic Block Store) developer is responsible for creating, configuring, and managing scalable block storage volumes. They design and implement reliable data storage solutions that integrate with Amazon instances. Their role includes optimizing storage systems for better performance and cost-effectiveness, ensuring data consistency and durability, and managing data backups and snapshots. They also troubleshoot any issues related to EBS and work on disaster recovery strategies. An EBS developer needs to be proficient with AWS services, cloud storage technologies, and data lifecycle management. They must follow best practices for infrastructure security and compliance.