Shelling Hsu
Senior Software Engineer at Gopuff
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolShelling Hsu is a Senior Software Engineer with 17 years of experience building scalable web platforms, primarily in Ruby/Rails, Perl, and modern JavaScript, currently working at Gopuff in San Francisco. He has led engineering efforts that delivered measurable business impact—most notably driving 40–70% monthly revenue growth and substantially increasing orders at a travel startup—and created DoorDash’s first OpenAPI for rapid merchant integrations that handled millions of orders. An active open-source author with multiple Ruby gems and CPAN modules, he pairs deep language internals knowledge (including Ruby C bindings) with pragmatic TDD, Puppet-driven production ops, and GraphQL/API design. Comfortable mentoring teams, refactoring legacy systems into modular Rails engines, and optimizing performance, he also brings a physics-trained analytical mindset from advanced studies in photonics.
17 years of coding experience
11 years of employment as a software developer
Bachelor, Photonics, Bachelor, Photonics at National Chiao Tung Universitymaster, Photonics and Optoelectronics, master, Photonics and Optoelectronics at National Taiwan University
English, taiwanese mandarin
Github Skills (68)
ruby10
gulp10
linux10
homebrew10
json-editor9
fetch9
activemodel9
macos9
package-manager9
javascript8
phpbrew8
rails-i18n8
translation8
perl7
rest-api7
Programming languages (10)
Github contributions (5)
g0v/editor
Jun 2016 - Jan 2017
g0v.json editor for every g0v project
Contributions:28 commits, 29 PRs, 73 pushes in 7 months
json-editorjsong0v
shelling/vimscript-collection
Feb 2015 - Jan 2022
Contributions:2 pushes in 7 years
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