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Data Modeler

Job

ApTask

Jersey City, NJ (In Person)

Full-Time

Posted 4 days ago (Updated 2 days ago) • Actively hiring

Expires 6/24/2026

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Job Description

Title:
Data Modeler Location:
Jersey City, NJ (5 Days Onsite)
Long Term Contract Overview:
A Data Modeler creates logical and physical data models that define how data is organized within databases and data platforms. They work closely with business stakeholders, analysts, and engineers to ensure data is accurate, consistent, and scalable. Technical Skills Data modeling techniques (ER modeling, dimensional modeling) Database systems (Oracle, SQL Server, PostgreSQL, Snowflake) SQL and query optimization Experience with Modeling tools: ERwin, ER/Studio, PowerDesigner Key Responsibilities Design conceptual, logical, and physical data models Define entities, relationships, attributes, and data flows Translate business requirements into data structures Create and maintain data dictionaries and metadata Collaborate with data engineers, DBAs, and analysts Ensure data quality, consistency, and governance standards Optimize database performance through proper modeling Support data warehousing and ETL processes Maintain documentation and version control of models Familiarity with: Data warehousing concepts (star schema, snowflake schema) ETL/ELT processes Big data platforms (Hadoop, Spark)