A /UDB developer designs, implements, and manages databases using IBM's Universal Database (UDB) system. They create data models and database designs, write complex SQL queries, and optimize database performance. They're responsible for database backup, recovery, and security, ensuring data integrity and availability. They also troubleshoot and resolve database issues, interact with other IT teams, and assist in system migration or integration projects. Their work involves understanding business requirements and converting them into database solutions, making them crucial in the data management strategy of an organization. They also stay updated with the latest /UDB technologies for continual efficiency and improvement.