A DB Design Developer is responsible for creating and managing databases that efficiently store, retrieve, and manipulate data. They design databases based on the needs of the end-user, ensuring data integrity, security, and optimization. Their tasks include creating data models, defining relationships between data points, and implementing physical and logical database schemas. They also perform troubleshooting, maintain database systems, and implement backup procedures. Their work is critical in ensuring that data is accessible, protected, and accurate, enabling businesses to make informed decisions. They often work closely with software developers and data analysts.