Nachi Muthu
Data Modeler
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About
Accomplished Data Modeling Architect and Business Intelligence Leader with over 20+ years of global IT experience, delivering enterprise-scale solutions in Data Modeling and Data Architecture, Data Warehousing, BI, Advanced Analytics, and Data Governance across Fortune 500 clients in Healthcare, Insurance, Retail, and BFSI sectors.
Experience
Lead Data Modeler at SRM Technologies (2025-07 – 2025-09)
Lead Data Modeler at Newt Global (2024-07 – 2025-06)
Senior Data Modeler at Capco (2024-05 – 2024-07)
Data Modeler at Mphasis (2012-05 – 2024-04)
Consultant at CIBER (2011-07 – 2012-04)
Senior Software Engineer at Nous Info Systems (2010-11 – 2011-06)
Senior Software Engineer at Conflux Live Global (2006-01 – 2010-10)
Lead Data Modeler – EMR at Monte Nido
Designed and implemented medallion architecture data models using Databricks Lakehouse architecture
- Designed efficient data models for Delta Lake storage and Databricks processing
- Worked closely with Product Owners, Business Analyst, and understand business requirements
- Designed Conceptual, Logical, and Physical Data Models
- Used Hubs (business keys), Links (relationships), Satellites (context)
- Created PIT (Point In Time Table), Bridge Table and reference table in the business vault
- Applied normalization technique based on business requirement
- Designed data model for Databricks delta table using Erwin data modeling tools
- Worked on forward engineering to create Physical Data Model with DDL
- Created dimensional model for reporting system by identifying dimensions and facts
- Developed normalized Logical and Physical database models for EMR
- Generated DDL scripts, Data Dictionary and Model report pdf
Lead Data Modeler – Wealth at CITI BANK
Designed and implemented medallion architecture data models using Databricks Lakehouse architecture
- Designed and maintained dimensional models (star and snowflake schemas) to support complex analytical queries
- Improved query performance by 60%
- Worked closely with Product Owners, Business Analyst, and Data Engineering team
Education
Master of Science (M.S.) in Information Technology & Management – Madurai Kamaraj University (2003)
Bachelor of Business Administration (B.B.A.) – J. J. College of Arts & Science, Pudukkottai (2000)
