Migrated a hybrid serverless/monolithic architecture to a scalable microservice design, moving from DynamoDB to RDS and reducing AWS costs by 35% while improving API performance 3×.
Designed and implemented a corporate billing service with real-time policy enforcement, enabling businesses to manage employee commute budgets within a high-scale ride-hailing platform.
Built an LLM-driven chatbot and Amazon Forecast pipeline that helped a multi-branch supermarket chain analyze sales, predict demand, and generate insights instantly—without manual reporting.
Designed and implemented a unified logging framework and secure secret management system for a global telecom provider, enabling faster debugging, full traceability, and automated secret rotation.
Revamped a legacy SMPP-based SMS notification system for a global payments platform—introducing multi-tenant and multi-vendor support, resolving memory issues, and significantly improving throughput through multithreading and caching.