Financial Report Migration for a Large Mining Corporation
The Challenge
The corporation had 15+ years of financial data spread across legacy systems in multiple formats. They needed to consolidate and migrate all data to a modern analytics platform without business disruption.
Our Solution
OsamTech built a custom ETL pipeline that extracted data from 6 legacy systems, transformed it to a unified schema, and loaded it into a modern data warehouse with full audit trail.
Key Results
✓100% data integrity maintained
✓Migration of 15+ years of financial data
✓Zero downtime during migration
✓New reports generated 10x faster
Technologies Used
Apache SparkAWS S3RedshiftPythonTableaudbt