• Designed and built scalable backend services for real-time data synchronization, processing 10M+ records across distributed systems using FastAPI, SQLAlchemy, Redis, and Kubernetes, enabling reliable data access for 1M+ daily active platform users.
• Diagnosed and resolved critical AWS DMS data truncation affecting 37-65% of production records, implementing a custom bi-directional data sync pipeline that restored data integrity for 50M+ record operations.
• Reduced data sync pipeline runtime by 40% through chunked batch processing and built CloudWatch monitoring infrastructure with automated alerts, enabling near-real-time data availability.