◦ Columnar Storage (Java, Spring, Caching, Apache Arrow): Designed and implemented high-performance columnar data storage and query system using key-value store with co-located Apache Arrow for tag-based queries, achieving 63% faster query execution. Optimized data access for analytics workloads compared to row-based approach.
◦ Context Service Guard Rails (Java, Caching): Implemented a guard rails feature for the context service, which significantly reduced volume overload on the cache and improved system stability.
◦ Lazy Hydration (Java, Caching): Achieved over 100% improvement in cache build time and reduced stale data in the cache.
◦ Licensing System (Java): Implemented a robust user licensing system for Context Service, enabling secure access control and differentiated permissions; streamlined user onboarding and set the foundation for future tiered revenue models.
