Over a two-month period, contributed to microsoft/onnxruntime by developing and enhancing Java APIs focused on execution provider registration and model compilation. Leveraging Java, CMake, and API development skills, implemented features that allow Java applications to register execution providers and pre-compile models, improving deployment flexibility and startup performance for machine learning workloads. Introduced a model compatibility check method to validate execution provider support across devices and unified API naming conventions to reduce integration errors. Emphasized robust unit testing throughout the process, ensuring reliability and maintainability of the new features. No bugs were reported or fixed during this development period.