Jiaxi He
Staff Software Engineer at Meta
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolJiaxi He is a Staff Software Engineer in San Francisco with 11 years of experience building large-scale, production AI systems and infrastructure. At Meta he led the architecture and execution that expanded the web search corpus tenfold to 200B+ documents and designed crawling infrastructure capable of handling ~20B URLs/day for LLM search and training. He combines deep systems engineering—distributed crawling, prioritization agents, and cost-efficient data pipelines—with product-minded execution from AR/VR voice assistants to monetization features. Jiaxi’s work emphasizes efficiency and freshness, using agentic crawlers to surface high-value URLs and reduce operational cost at scale. Trained with an MS in Computer Science and a background in electronic engineering, he brings both algorithmic rigor and practical engineering to 0-to-1 projects and massive scale-ups.
11 years of coding experience
7 years of employment as a software developer
Master’s Degree, Computer Science, Master’s Degree, Computer Science at North Carolina State UniversityBachelor’s Degree, Electronic Engineering, Bachelor’s Degree, Electronic Engineering at Beijing University of Posts and Telecommunications
Chinese, English, Chinese
Stackoverflow
19reputation
1kreached
1answer
2questions
Github Skills (44)
hexo10
data-structures10
algorithm9
fundamentals9
algorithms9
c-programming9
science9
computer-science9
coding9
translation8
nodejs7
javascript7
internationalization7
static-site7
react7
Programming languages (6)
Github contributions (5)
henryhoo/unravel
Sep 2020 - Nov 2020
Contributions:5 reviews, 18 commits, 14 PRs in 1 month
henryhoo/LeetcodeSolutions
Mar 2016 - Oct 2022
Contributions:80 pushes, 3 branches in 6 years 7 months
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