A Database Administration Developer is responsible for designing, implementing, and managing an organization's database systems. They ensure that databases operate efficiently and securely, maintain data integrity, and are accessible to users. Tasks include creating and modifying database structures, optimizing database performance, setting up database security protocols, backing up and restoring data, troubleshooting issues, and ensuring compliance with data regulations. They also work closely with other teams to integrate databases with applications, assist in data analysis, and improve system performance. Their role is crucial in managing and protecting the critical data that businesses depend on.