Chi Liu
推荐算法工程师 at 快手
Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolChi Liu is a recommendation algorithms engineer based in Beijing with 7 years of experience building production ML systems for major Chinese tech firms including Kuaishou and Baidu. With a master's in computer science from Harbin Institute of Technology and a background in cyberspace security, Chi blends solid algorithmic foundations with practical deployment experience in large-scale recommendation pipelines. He contributes to open-source deep learning infrastructure — notably fixes and core functional work on the OneFlow framework — reflecting a hands-on approach to both research and engineering. Known for migrating Python layer implementations to more robust functor patterns and improving API consistency, he cares about maintainable, well-documented code that scales.
7 years of coding experience
Master's degree, Computer Science, Master's degree, Computer Science at 哈尔滨工业大学Bachelor's degree, Ceberspace Security, Bachelor's degree, Ceberspace Security at 西安电子科技大学
Github Skills (8)
neural-network10
machine-learning10
deep-learning10
python10
documentation9
cuda9
c-language8
cprogramming-language8
Programming languages (5)
Github contributions (5)
Oneflow-Inc/oneflow
Dec 2021 - Feb 2022
OneFlow is a deep learning framework designed to be user-friendly, scalable and efficient.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:18 reviews, 35 commits, 13 PRs in 2 months
Contributions summary:Chi contributed to the OneFlow deep learning framework by fixing documentation issues, including adding and correcting documentation for the `arange` function. They migrated tile and repeat python layers to functors, modifying the core functional implementation. Further, they worked on changes related to `to_local` and `to_consistent` methods along with other documentation changes, including method registrations.
caffe2tensorflowframework-learningchainerdeep-learning-framework
thinksoso/ML_Foundation_Of_HI
Jul 2021 - Sep 2021
Contributions:20 commits, 7 PRs, 17 pushes in 1 month
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