A Data Modeling Developer designs, implements, and documents data architecture and data modeling solutions, which include the use of relational, dimensional, and NoSQL databases. They create concepts for data model frameworks, define data model patterns, establish data naming standards, and ensure data models align with the strategic data architecture. They work closely with data analysts, data engineers, and other stakeholders to ensure data structures are efficient, scalable, and meet the needs of the company. They also monitor the performance of database systems and make changes to data structures to improve performance.