Worked on the servo/servo repository to enhance the stability of the Constellation Messaging subsystem by addressing a critical bug that caused panics during background monitoring. Focused on backend development using Rust, the solution involved implementing robust error handling within the components/constellation/constellation.rs file. This approach ensured that messaging errors triggered graceful cleanup routines, preventing crashes and reducing downtime in the monitoring process. By clarifying failure paths and improving the reliability of background tasks, the work contributed to a more resilient messaging infrastructure. The effort demonstrated a strong command of Rust and backend engineering principles in a complex, production codebase.