livestream, Trust and Safety-Built systems to detect and enforce against community policy violations, based on analyzing weekly badness cases and top reported livestream videos.Covers Adult nudity and sexual activities, Bullying and harassment, Integrity and authenticity

-Responsible for improving user experience in key utility domains on different smart devices, including app control, weather, translation, to do list. I set the kpi metrics, planned yearly roadmaps and quarterly OKR for each domain to improve their respective metrics. And I'm in charge of market research, data analysis and product design of new strategies, and program management

-Overhauled the brand search experience on the Meituan app. Mainly by improving brand search intent recognition ability, top brand data construction and building long-term operation mechanism, and launching multiplayer strategies for different scenarios -Reduced users' weekly complaints about search experience by 60% by revamping the strategy of search intention recognition, recall and rank.