During December 2025, Rajib focused on enhancing telemetry accuracy in the strands-agents/sdk-python repository by addressing a bug that caused double-counting of usage metrics. He implemented a targeted fix that introduced a check for the langfuse observation type within the telemetry pipeline, ensuring correct accumulation of metrics and preventing duplication. Using Python and leveraging backend development and unit testing skills, Rajib reinforced the solution with comprehensive tests to validate the new logic. His work improved the reliability of usage data, supported better decision-making, and reduced the risk of inflated figures, demonstrating careful attention to data quality and collaborative code practices.