For the Yanxi platform, He refactored the resource management service to improve efficiency and scalability. By using the Observer Pattern and asynchronous computing, He made the peak performance of resource recalculation 20 times faster. Moreover, He refactored the activity page AI auto-generation service for the AI Pilot Marketing platform. He organized the functions with the Strategy Pattern to generate each content floor with AIGC and LLM services effectively. He also collaborated with Machine Learning Engineer colleagues to design the options and pipelines of the service.