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DBS Data Migration

Led the end-to-end migration of 500K+ financial records during a critical system upgrade at DBS Bank. Achieved 100% data integrity with zero downtime — a mission-critical operation where any failure would directly impact live banking services.

JavaSpring BootMySQLPostgreSQLJDBC
// Impact: 100% data integrity, zero downtime
{ CHALLENGES }
  • →Migrating 500K+ records with zero tolerance for data loss or corruption
  • →Executing during a live system upgrade without service interruption
  • →Ensuring financial data compliance and full audit trail throughout
  • →Building robust verification and rollback mechanisms
{ OUTCOMES }
  • ✓500K+ records migrated — 100% data integrity verified
  • ✓Zero downtime migration with live system compatibility
  • ✓Data validation and reconciliation framework built from scratch
  • ✓Full compliance with DBS financial data standards