Jianjie Ma is a Principal Software Engineer and Machine Learning Scientist at Indeed.com, specializing in ads optimization and building advanced recommendation and relevance models. With extensive experience in the internet industry, they previously held roles as a Distinguished Scientist and Principal Scientist at PayPal and worked as a Principal Data Scientist at Yahoo, focusing on ads ranking models and predictive services. Jianjie is currently pursuing a Ph.D. in Electrical and Computer Engineering at Washington State University, complementing their academic background, which includes an M.S. in Statistics from the same institution and an M.S. in Electrical Engineering from Shanghai University.
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