Worked on improving the reliability of DeepSpeed’s NPU operations by addressing exception handling in the NPUOpBuilder module within the microsoft/DeepSpeed repository. Focused on backend development using Python, the work involved modifying the exception propagation logic to ensure that KeyboardInterrupt and SystemExit exceptions are no longer silently swallowed, allowing for proper shutdown and error signaling during interrupt-driven events. By refining the use of exception handling constructs, the changes enhanced production stability and debuggability for NPU workloads. All updates passed pre-commit checks, demonstrating attention to code quality and maintainability while supporting robust operation in complex Python-based backend systems.