• Designed and built highly scalable distributed services.

• Designed and developed high performance APIs serving over 10 billion requests per day.

• Reduced session login time from >800ms to <50ms by synchronizing session data across regions.

• Implemented hydra system to access databases with fallbacks and improved overall

service responsiveness. Refactored >150 critical APIs to switch from sync to async operation and made >30 service shardings stateless.

• Improved disk defragmentation time by >95% with informed paging and reduced disk storage by 15%.

• Migrated over 20 services to kubernetes.

• Rewrote critical services to Java for performance improvement.

• Worked with product managers to guide feature and product design.

• Developed robust data pipelines for efficient data extraction, creating a centralized data lake for machine learning training.

• Engineered real-time data ingestion pipelines for streaming events, enhancing predictive analytics capabilities.

• Successfully migrated data from HBase to Google Cloud, optimizing storage and retrieval processes.

• Designed and implemented a JSON file configuration system in C to edit system parameters on demand.

• Automated the build and test framework by setting up Jenkins and wrote scripts for automating jobs.