During March 2025, Bala Natarajan developed throughput bucketing for Azure Cosmos DB within the kazrael2119/azure-sdk-for-js repository. This feature allows developers to assign per-request throughput thresholds, enabling finer-grained throttling and improved resource utilization under variable workloads. Bala approached the problem by designing APIs in TypeScript and JavaScript that integrate seamlessly with existing SDK patterns, focusing on maintainability and cohesive integration. The solution addresses the need for predictable performance and cost management in client applications by allowing differentiated throttling controls. Bala’s work demonstrates depth in SDK development, API design, and testing, delivering a targeted feature without introducing new bugs.