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Software Engineer
Meta · Full-time
May 2021 - Present
• 4 yrs 4 mosAds ranking - CoreML - ML foundation and model system co-design
Mar 2018 - May 2021
• 3 yrs 3 mosAI group - Operational Research and Machine Learning
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Senior Software Engineer, Tech Lead
Uber
Aug 2016 - Mar 2018
• 1 yr 8 mosDynamic pricing, numerical optimization, machine learning
Nov 2014 - Jul 2016
• 1 yr 9 mosRanking, classification, topic modeling, recommendation
Aug 2011 - Oct 2014
• 3 yrs 3 mosHigh scalability, high availability
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Software Engineer
Microsoft
Jul 2010 - Jul 2011
• 1 yr 1 moBing shopping API. Web services and machine learning.
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Research Assistant
University of Southern California
May 2005 - May 2010
• 5 yrs 1 moMedical device, Bayesian methods, multi-task learning, active learning
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Software Engineer Intern
Microsoft
May 2009 - Aug 2009
• 4 mosI worked in MSFT search engine Bing. Besides software implementation, I developed an machine learning algorithm for image processing and classification. This algorithm is used in the commerce vertical for invalid product image detection.