Worked on the microsoft/documentdb repository to address a critical bug affecting parameter passing for the current operation, focusing on backend reliability and maintainability. Utilized Rust and asynchronous programming to update the data client and query catalog, ensuring only necessary parameters were transmitted and reducing the risk of misrouting or runtime errors. Enhanced the codebase by adding targeted tests that validate the current operation command, helping to prevent future regressions. The work emphasized clear parameter handling and robust test coverage, contributing to a more stable gateway and streamlined database management processes within the DocumentDB backend infrastructure over the course of the month.