A Database Developer is responsible for designing, implementing, and maintaining database systems that ensure the integrity, performance, and security of data. Their main tasks include:

• Database Design: Creating data models and structures that organize data effectively.
• SQL Development: Writing queries and stored procedures for data manipulation and retrieval.
• Performance Tuning: Optimizing database performance through indexing, query optimization, and load balancing.
• Data Migration: Facilitating the transfer of data between systems or versions.
• Backup and Recovery: Implementing strategies to back up databases and restore them in case of failure.
• Security Management: Ensuring that data is protected through user permissions and encryption.
• Collaboration: Working with developers, system architects, and business analysts to meet data requirements.
• Documentation: Maintaining documentation for database designs, processes, and changes.

Overall, Database Developers play a critical role in managing data resources and ensuring applications operate efficiently.