During July 2025, contributed to the stripe/stripe-python repository by enhancing the RequestsClient timeout parameter’s type hint, focusing on improving type safety and compatibility with the requests library. This work involved careful application of Python’s type hinting features to ensure downstream projects could safely upgrade and maintain strong typing contracts. By aligning the timeout parameter with the expected types used in the requests ecosystem, the update reduced the risk of type-related errors and improved overall code reliability. The effort demonstrated skills in backend and API development, with an emphasis on maintainability and developer experience for typing-aware Python codebases. No bugs were fixed.