Chengcheng Ji
Staff Data Scientist
Shanghai, Shanghai, China
Summary
👤
Senior🎓
Top SchoolChengcheng Ji is a Staff Data Scientist based in Shanghai with nine years of experience building machine learning systems for e-commerce and platform operations. He has driven production ML and algorithm design across companies like CooTek, Farfetch, Pinduoduo and Dada‑JD Daojia, covering user‑generated content understanding, dispatch optimization, feature engineering and model deployment. Trained in materials science at Cornell and Tsinghua, he brings an experimental, measurement‑driven mindset to ML problems and a taste for elegant, maintainable code. Known as a fast learner and self‑motivated engineer, he pairs data analysis with practical annotation and data‑flow design to turn noisy product signals into reliable models.
9 years of coding experience
6 years of employment as a software developer
Master of Engineering (MEng) Material Science and Engineering, Master of Engineering (MEng) Material Science and Engineering at Cornell UniversityBachelor's degree Polymer Material and Engineering, Bachelor's degree Polymer Material and Engineering at Tsinghua University
Chinese, Chinese
Stackoverflow
46reputation
618reached
1answer
0questions
Github Skills (17)
rates9
explore8
allocation8
evolutionary8
econometrics7
facebook7
regression7
strip6
science6
modeling6
slice6
marketing6
python6
gradient6
datasets6
Programming languages (3)
Github contributions (5)
dadaers/OneFeed
May 2020 - Sep 2020
Contributions:44 commits, 42 pushes, 1 branch in 3 months
anorakj/DB-Project
Mar 2017 - Jul 2018
Contributions:7 PRs, 38 pushes, 5 branches in 1 year 3 months
object-orientedobject-oriented-programmingcpp
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