Zezhong Zhang
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolZezhong Zhang is an applied data scientist with 11 years of experience delivering data-driven solutions in e-commerce and analytics. Based in San Jose, he currently leads experimentation and time-series monitoring at eBay, focusing on Randomization Validation, Multi-Armed Bandit optimization for multivariate experiments, time-series anomaly detection, and merchandise-recommendation enhancements. His career spans ML engineering, data science, and technical teaching, including roles at eBay and Accenture, with a track record of turning research ideas into production-ready systems. Notable projects include seasonal query expansion for merchandising and robust anomaly alerting, underscoring a practical, end-to-end approach to ML in production. He holds an MPhil in Management Science and Engineering from Renmin University and dual Bachelor's degrees from Huazhong University of Science and Technology, reflecting a strong foundation in both quantitative methods and communication. Time is the natural enemy of knowledge, a philosophy that guides his emphasis on rapid experimentation, rigorous validation, and continuous learning.
11 years of coding experience
10 years of employment as a software developer
Master of Philosophy - MPhil, Management Science and Engineering, Master of Philosophy - MPhil, Management Science and Engineering at Renmin University of ChinaBachelor's degree(Minor), English Language and Literature, General, Bachelor's degree(Minor), English Language and Literature, General at Huazhong University of Science and Technology
Chinese, English
Github Skills (79)
parallel10
python10
hyperparameter-optimization10
deep-learning10
automl10
elasticsearch10
ray10
optimization10
llm-inference10
search-engine10
stanford-nlp10
data-science10
reinforcement-learning10
java10
tensorflow10
Programming languages (5)
Github contributions (5)
JoshuaZe/repox
Jan 2016 - May 2022
Contributions:9 pushes, 6 branches in 6 years 5 months
scalaresponsivesbt
JoshuaZe/RCodeResearch
Jun 2014 - Jul 2016
Contributions:41 commits, 9 pushes in 2 years 1 month
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