Charlio X
Staff Machine Learning Engineer at Meta
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolCharlio X is a Staff Machine Learning Engineer in San Jose with 11 years of experience building production AI systems for ads and monetization at companies including Meta, TikTok, and TruEra. He combines a PhD-level math background with hands-on expertise in LLMs, agentic AI, graph foundation modeling, and graph neural networks to improve recommendation and risk-control pipelines. At Meta he’s integrating LLMs and agentic workflows into ads recommendation, after applying LLM-driven model quality control at TruEra and graph-based risk models at TikTok. His work spans from supply-chain optimization early in his career to deploying large-scale ML in high-stakes monetization environments, reflecting both research rigor and production discipline. An entrepreneurial technologist and algorithmic trader at heart, he brings quantitative depth and a penchant for turning advanced math into measurable business impact.
10 years of coding experience
5 years of employment as a software developer
Doctor of Philosophy (Ph.D.), Mathematics, Doctor of Philosophy (Ph.D.), Mathematics at Duke UniversityBachelor's degree, Mathematics, Bachelor's degree, Mathematics at Zhejiang University
Chinese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (12)
cnn-keras8
tree8
data-structure8
graph7
algorithms6
data-structures6
python6
image-segmentation5
algorithm5
image-classification4
machine-learning1
data-science1
Programming languages (2)
Github contributions (5)
Charlio/deep-learning
Sep 2017 - Nov 2017
Contributions:17 commits, 14 pushes, 1 branch in 2 months
Charlio/Coding-Exercises
Sep 2017 - Nov 2017
Contributions:105 pushes, 1 branch in 2 months
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