Hai Qian
Software Engineer at Google
California, United States
Summary
👤
Senior🎓
Top SchoolHai Qian is a software engineer with 13 years of experience applying machine learning and big-data techniques to production systems, currently building tooling to improve search ranking at Google. With a Ph.D. in Physics from the University of Chicago and a strong academic background at UCLA, he has translated research-grade data mining and parallel computation methods into scalable engineering at Pivotal and beyond. An R expert and author of multiple R packages including PivotalR, he brings deep statistical software craftsmanship to large-scale ML pipelines. His work spans algorithm design, parallel computation, and pragmatic tooling for model deployment—combining researcher-level rigor with production engineering at internet scale. An intriguing thread through his career is the consistent focus on turning complex time-series and network analyses into robust, high-performance systems.
13 years of coding experience
2 years of employment as a software developer
Ph. D., Physics, Ph. D., Physics at University of Chicago
English, Chinese
Github Skills (24)
vim8
databases8
neovim8
postgresql7
fzf7
apache7
database7
chrome-extension5
chrome3
parentheses3
scheme3
rainbow3
vim-plugin3
css2
smooth2
Programming languages (3)
Github contributions (5)
walkingsparrow/vim
Jan 2015 - Jan 2015
Contributions:21 pushes, 1 tag in 14 days
walkingsparrow/docker
Dec 2015 - Dec 2015
Contributions:1 push in 1 day
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