Chen Xin
Tech Lead Manager at TikTok
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolChen Xin is a tech lead manager based in San Jose with 10 years of experience building high-concurrency distributed systems, big data platforms, and recommendation and LLM-powered products. Currently leading engineering efforts at TikTok after senior roles at ByteDance and Baidu, Chen blends hands-on system design with cross-team operational leadership to drive efficiency and revenue growth. He holds a master’s in Data Mining and Machine Learning from USTC and has a track record of shipping production ML and distributed architectures at scale. An active engineer who has contributed test automation to notable open-source projects like the MIT-LCP wfdb-python package, he emphasizes robustness and measurable business impact in every release.
10 years of coding experience
8 years of employment as a software developer
Master's degree, Data Mining and Machine learning, Master's degree, Data Mining and Machine learning at University of Science and Technology of China
Github Skills (5)
unit-testing10
numpy10
test-automation10
testing10
python9
Programming languages (10)
Github contributions (5)
MIT-LCP/wfdb-python
Jun 2016 - Aug 2022
Native Python WFDB package
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:7 releases, 36 reviews, 496 commits in 6 years 3 months
Contributions summary:Chen's primary contributions appear to be focused on writing and modifying tests for the project. They added a "tests" and "nosetest" commits, which involved changes to `tests/test_readsignal.py` and potentially other files to set up and improve unit test infrastructure. The commits indicate efforts to test and validate the project's functionality, comparing results against expected outputs.
ekgsignaldtwpythondigital-signal-processing
MIT-LCP/citation-tracker
Sep 2017 - Mar 2019
Tools for tracking citations to MIMIC, PhysioNet etc.
Contributions:21 commits, 4 pushes in 1 year 6 months
trackingcitationsmimicphysionet
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