An Oracle Database Developer designs, develops, and maintains robust database systems essential for data integrity and security within an organization. Key responsibilities include SQL query optimization, new database schema creation, and troubleshooting performance issues. Required skills include proficiency in PL/SQL, experience with data modeling, and strong analytical abilities. Typically working in tech or finance environments, they collaborate with software engineers, system analysts, and database administrators. Career progression may lead to roles like senior developer, database architect, or data analyst, offering opportunities to enhance technical expertise and leadership capabilities.