In 2024-11, delivered a performance-focused feature in aws/aws-advanced-jdbc-wrapper: Null Telemetry Factory Singleton Optimization. Refactored NullTelemetryFactory to instantiate singleton NullTelemetryContext, NullTelemetryCounter, and NullTelemetryGauge, eliminating repeated object creation and reducing allocations in the telemetry path. This improves throughput and reduces GC overhead under telemetry-heavy workloads, aligning with scaling goals for the JDBC wrapper and contributing to more predictable latency. There were no major bugs fixed this month; the effort focused on architectural optimization and maintainability. Key impact: enhanced efficiency of the telemetry subsystem, better resource utilization, and smoother scaling as traffic increases. Skills demonstrated: Java, design patterns (Singleton), refactoring for performance, telemetry subsystem optimization, code quality and maintainability.