A database developer designs, implements, and maintains databases to support the software applications of a business or organization. They work with database languages like SQL, create database architectures and tables, and ensure data integrity and security. They also troubleshoot issues, optimize database performance, and develop data models. Additionally, they work closely with other developers to integrate databases into software applications, ensuring seamless data flow and storage. Their role is crucial in managing and manipulating critical data that support business decisions and operations. They need strong analytical skills, technical proficiency, and an understanding of data management principles.