Zezhong Zhang
Senior Data Scientist
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolZezhong Zhang is a Senior Data Scientist in San Jose with 12 years of experience applying machine learning and statistical methods to large-scale e-commerce problems at eBay. His work spans Bayesian sampling for adaptive experimentation, multi-armed bandits for multivariate optimization, time-series anomaly detection, and seasonal query expansion for merchandise recommendation—research that has been published at WWW, CIKM, and SIGIR. He blends hands-on engineering (early C/embedded work and production ML engineering) with teaching and consulting experience, including university lectures and contributions to a data analytics book. Known for treating "time" as a fundamental challenge to knowledge, he combines rigorous academic training (MPhil in Management Science and Engineering) with pragmatic, production-focused solutions for experimentation and recommendation systems.
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 Management Science and Engineering, Bachelor's degree Management Science and Engineering at Huazhong University of Science and Technology
Chinese, English
Github Skills (74)
parallel10
python10
hyperparameter-optimization10
deep-learning10
automl10
elasticsearch10
ray10
optimization10
llm-inference10
stanford-nlp10
search-engine10
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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