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Centralized Banking System Data Migration with Real-Time Validation

itmagination.com

Financial services

Loans & Credit

Capital Markets

Legacy System Integration Challenges

Need to consolidate 3.2M+ credit accounts and 1.3M+ credit cards from 9 disparate source systems into a centralized banking platform while maintaining data integrity, ensuring regulatory compliance, and minimizing operational disruption during migration.

About the Client

Member of international banking group offering consumer finance products (loans, credit cards) through 12,000+ outlets and agriculture-focused financial services

Modernization Goals

Migrate 4B+ records across 18 data flows within 13 months
Achieve 99.9997% data accuracy with <0.0004% rejection rate
Implement real-time reconciliation dashboard for migration quality monitoring
Ensure seamless integration with existing debt collection and client management systems

Core System Capabilities

Automated ETL pipeline with error detection/correction
Real-time reconciliation dashboards with 650+ metrics
Data quality assurance engine with exception handling
Multi-system integration framework (9 sources → 4 targets)
Audit trail generation for regulatory compliance

Technology Stack

Microsoft SQL Server

CLIO migration solution

ETL frameworks

System Interoperability

Legacy banking systems (9 instances)
Central banking platform (4 target systems)
Client relationship management (CRM) systems
Debt collection platforms

Operational Requirements

99.99% system availability during migration
Scalable architecture for 10M+ daily transactions
Data encryption at rest/in transit (PCI-DSS compliant)
Disaster recovery with <15min RTO

Business Transformation Outcomes

Enables unified customer view across all channels, reduces operational costs by 40% through system consolidation, improves regulatory compliance with real-time audit capabilities, and establishes foundation for AI-driven credit risk modeling while maintaining PLN 216-level reconciliation accuracy at multi-billion balance sheet scale.