Legacy Migration Platform

Overview

Batch migration platform designed to move legacy operational data into a modern PostgreSQL schema with reliability, security, and auditability.

Tech Stack

Key Contributions

• Implemented checkpoint-resume flow and dry-run modes for safer long-running migrations.
• Added target schema preflight validation to fail fast before writes.
• Built normalization logic for inconsistent source data and idempotent upsert patterns.
• Secured PII fields with encryption and key-management aware configuration.