Key Responsibilities
Design and develop conceptual, logical, and physical data models for enterprise applications and data platforms.
Analyze business requirements and translate them into effective data modeling solutions.
Define data entities, relationships, attributes, and business rules.
Develop and maintain data dictionaries, metadata repositories, and data lineage documentation.
Collaborate with Data Architects, Data Engineers, Business Analysts, and application teams to ensure data consistency and quality.
Support database design, optimization, and performance tuning initiatives.
Implement data governance standards, naming conventions, and best practices.
Conduct data profiling and impact analysis for system enhancements and migrations.
Assist in data warehouse, data lake, and master data management initiatives.
Participate in Agile/Scrum ceremonies and contribute to project planning and delivery.

Required Skills & Qualifications




Bachelor's degree in Computer Science, Information Systems, Engineering, Mathematics, or a related field.
Solid experience in data modeling and database design.
Expertise in creating:
Conceptual Data Models
Logical Data Models
Physical Data Models
Robust understanding of:
Data Modeling Principles
Data Normalization and Denormalization
Dimensional Modeling (Star Schema, Snowflake Schema)
ER Modeling
Data Warehousing Concepts
Proficiency in SQL and relational database management systems.
Experience with data modeling tools such as:
ERwin
ER/Studio
PowerDesigner
Lucidchart
Visio
Experience working with databases such as:
SQL Server
Oracle
PostgreSQL
MySQL
Snowflake
Robust analytical and problem-solving skills.

📌 Data Modeller S Chennai
🏢 Tata Consultancy Services
📍 Chennai