Worked on enhancing Windows release tooling in the python/release-tools repository by introducing build options and Azure Pipelines configuration to enable Just-In-Time (JIT) compilation and support free-threaded builds. This effort improved automation and CI/CD readiness for Windows releases, streamlining deployment and increasing reliability. In the astral-sh/ruff repository, addressed a bug in the ty tool by aligning floor division and modulus semantics for integer literals with Python’s rules, resolving discrepancies with Rust’s behavior for negative numbers. Leveraged expertise in Python, Rust, and YAML to ensure code correctness, robust type inference, and consistent cross-language behavior across automated build and release processes.