Worked on backend reliability improvements across the charmbracelet/crush and 1Panel-dev/1Panel repositories, focusing on concurrency and error handling. Addressed a data race in charmbracelet/crush by replacing a boolean skip flag with an atomic boolean within the permissionService, ensuring thread-safe state management during concurrent operations. In 1Panel-dev/1Panel, resolved a nil pointer dereference when opening log files and introduced robust error logging for file I/O failures, enhancing system stability and maintainability. Leveraged Go for concurrent programming and backend development, with an emphasis on testing and code safety. Delivered targeted bug fixes that improved business value and operational reliability.