Contributed to PaddlePaddle by enhancing both code reliability and documentation quality over a two-month period. Focused on stabilizing critical unit tests in the Paddle repository, addressing flakiness through deterministic seeding and runtime safety measures using C++, Python, and CUDA. Refactored test logic for fused DConv and Adam optimizer operations, reducing false negatives and improving CI/CD pipeline stability. In the following month, improved PaddlePaddle/docs by removing outdated API documentation and standardizing doc formatting, which streamlined onboarding and reduced user confusion. Demonstrated strengths in code refactoring, unit testing, and documentation, with a methodical approach to maintaining project accuracy and reliability.