Worked on enhancing transactional reliability in the cashapp/misk repository by addressing a critical edge case in the RetryingTransacter component. Focused on backend development using Kotlin, the work involved fixing a bug where the inTransaction flag could be mismanaged during retries, particularly in exception scenarios. The solution included refactoring the retry mechanism to ensure correct state management and improve maintainability. Emphasizing error handling and transaction management, these changes led to measurable improvements in system stability and data consistency, especially under high-load, retry-heavy conditions. The approach demonstrated careful attention to robustness and clarity in transactional operations within the existing codebase.