Working in AI Products Team of STC, engineer of Bing Search, Cortana and XiaoIce.As the technical leader of CJK Answer Team, I took all of answers(rich/direct search result) on bing and cortana for cjk market and also global answer migration for english version of bing. Currently there’re more than one hundred of answers on bing and cortana. And more and more answers are output to XiaoIce dialog system, like Weather, Attraction, Fact, and it rich the diversity of dialog and improve the relevance.• Develop and maintain open answer platform. This platform provides an agile way to onboard a new answer with support of more than 40 services, including data crawling, merge, process, uploading, dataset services, answer build, publish, monitor.• Migrate the answers from global market to cjk market, including trigger, backend service, and ranking, like NBA, Olympic.• Polish the recall/precision and ranking of answers with machine learning and rule based methods.• Based on the open answer platform, build universal crawling system, and the crawling system can support multiple kinds of sources, like wechat, weibo, html, api. The crawling system support both XiaoIce and Bing.As the owner of User Profile System of XiaoIce News Recommendation Platform, I build up the user profile online/offline services to support the news personalized recommendation system. • Build the user profile which contains hundreds attributes/tags, like basic info, interest tags, topic and other user-article features. And the system includes the wordbreak service, keywords extract service and topic model service for user-article feature, and also a four-level location extraction service based on lat/long, and phone number of users. • Guide an intern to try graph-based recommendation algorithm on our internal big data processing cluster, like Simrank. For the Simrank-based CF, We build a pipeline, transform graph calculation to matrix calculation and then to SQL which can run on the system.

Working in the In-Memory Database Team of Server of the Business Intelligence Product, I’m responsible for development of the join function • Generate the join plan according to the data sources and target from user, and generate the join tree by the join plan• Generate the In-Memory Database Query Language according to the join tree, and submit it to the execution engine to produce the results.

Working in the Data Movement Service Team of SQL, I’m the Owner of service deployment system and tools.• Communicate with the owner of deployment in each group, collect the requirements and design the service and tools for the whole deployment procedure.• Develop the toolkit of deployment, including server of self-host service and client of script• Develop common windows workflow activity, contribute to the fundamental team• Design and Develop widget for deployment owner to improve the efficiency and reduce the probability of wrong deployment

Working in the client team of core network game of company, the content of my work is development new feature.• Working with PM, design the game function and development• Upgrade the graph engine of client to Direct X, be responsible for the development of base lib, make sure the new engine is compatible with the logic layer of game client• Develop the UI configuration tool, and the service for generating the crash report according to the dump file