Worked on the zendesk/maxwell repository to deliver system observability and code quality improvements using Java and asynchronous programming techniques. Focused on enhancing error logging by including primary key information and additional context, the changes aimed to accelerate debugging and streamline issue triage for backend systems. The approach involved targeted updates to logging mechanisms and a minor code cleanliness adjustment in the SNSCallback component, removing unnecessary blank lines to improve maintainability. All work was captured in two focused commits, establishing a clear audit trail. These updates laid the groundwork for improved reliability and faster incident response in backend development workflows.