Xu Liu
Machine Learning Engineer at Facebook
Sunnyvale, California, United States
Summary
🤩
Rockstar🎓
Top SchoolXu Liu is a Machine Learning Engineer in Sunnyvale with three years of industry experience building and deploying ML systems at Facebook. He specializes in end-to-end model development for Feed and Notifications, applying techniques like weighted logistic regression, multi-head gating, and user-history embeddings to close gaps between offline gains and online impact. Xu has led feature-health monitoring and selection pipelines to ensure robust production performance and drove measurable topline improvements through incremental and engagement-based models. His background includes a PhD in Theoretical and Mathematical Physics from UCLA, giving him strong analytical and modeling foundations that he applies to practical, large-scale problems. Outside core ML work he pursues 3D reconstruction and 3D printing interests, reflecting a hands-on curiosity for spatial computing and applied research.
3 years of coding experience
University of Science and Technology of ChinaPhd, Theoretical and Mathematical Physics, Phd, Theoretical and Mathematical Physics at University of California, Los Angeles
Github Skills (38)
plugin9
cuda8
asciidoctor8
octoprint8
pytorch7
nvidia7
inference7
transformer6
gpt6
tensorrt6
amd6
llm6
sdk5
mlops5
deep-learning5
Programming languages (4)
Github contributions (5)
DrAlexLiu/OctoPrint-PiNozCam
Mar 2024 - Nov 2024
AI model running on RPi for failure detection
Contributions:5 releases, 21 PRs, 135 pushes in 8 months
DrAlexLiu/VAE_pointcloud
Aug 2023 - Oct 2023
Contributions:5 pushes, 1 branch in 1 month
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.