Junkai Gu

principal data scientist of Tiktok Vertical Search

contribute to:

• Established search experiments Launch Review process
• Help the vertical search product determine the key feature and quantitative methods of photo-search, thereby helping the PM formulate annual plans and OKR goals, and periodically track the development of key feature through quantitative methods
• Help graphic and text themes complete the search and distribution link construction from 0-1
• Through data analysis, help PM analyze search demand change trends and the demand for supply under this trend, thereby guiding the newly established search ugc supply direction
• Design tools to ensure experiments trust worthy and efficiency

Tech Lead of Data Scientist team of Center for AB Experiment and Causal Inference

contribute to:

• Help design and analyze hold-out experiments for feed recommendation, user growth, user creation, search, social networking, basic models, same city and other businesses
• Developed a company-wide inter-business impact monitoring and governance mechanism
• Created the first-class AB experimental platform in China
• Created a first-class DS team in experimental science

Senior Data Scientist of Public Data Science Department

contribute to:

• Guide the comprehensive data-driven transformation of the Penguin creation platform
• Help PGC and OGC creator businesses analyze differentiated settlement models and significantly reduce creation costs
• Helped the tencent AB platform to complete the construction of redistribution capabilities and bilateral experimental capabilities
• Help Tencent news business build supply and demand analysis and experimental capabilities from 0-1

Senior Data Scientist

contribute to:

• Constructed a search summary satisfaction result evaluation method
• Established a long-term analysis method for search feature results
• Established a mobile search analysis index system and experimental analysis system
• Established Baidu map's experimental capabilities and analysis system from 0-1, and built Baidu map's analyst team
• Established Baidu AB experimental platform

Data Engineer of Head Office

contribute to:

• Completed the design and development of the historical operating data regression function in the budget forecast module