Keyi Ni
SDE II at Ring
Old Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolKeyi Ni is an SDE II with 9 years of experience building high-performance, production-grade systems across cloud identity, networking visualization, and customer-facing web apps. Currently on Ring’s security team after helping AWS Single Sign-On launch multi-region support and an internal identity management service, he combines systems design, operational rigor, and a strong background in numerical analysis and optimization from a University of Toronto M.A.Sc. His engineering work spans languages and runtimes—from C++/WASM performance libraries and TypeScript front-ends to backend services and observability tooling—often delivering large speed and bundle-size improvements. He’s mentored engineers and shaped team practices around documentation, metrics, and runbooks, and has a recurring knack for extracting compute-heavy logic into reusable components. Off-hours he’s a decade-long pen-spinner who documents the craft on YouTube, reflecting a detail-oriented, practice-driven mindset that informs both his engineering and mentorship.
9 years of coding experience
6 years of employment as a software developer
Exchange Student Mechanical Engineering, Exchange Student Mechanical Engineering at National Taiwan UniversityBachelor of Applied Science (B.A.Sc.) Computational Science, Bachelor of Applied Science (B.A.Sc.) Computational Science at Northwestern Polytechnical UniversityMaster of Applied Science Computational Science, Master of Applied Science Computational Science at University of Toronto
English, Chinese, French
Github Skills (52)
traversal9
react-boilerplate9
rss9
scaffolding9
redux9
styled-components9
torrent9
chai9
ava9
todomvc9
react-router9
react8
python8
react-intl8
immer8
Programming languages (6)
Github contributions (5)
asdf123101/dockered-services
Mar 2018 - Jun 2018
Contributions:19 commits, 18 pushes, 1 branch in 2 months
asdf123101/HDPG1D
Apr 2017 - Nov 2018
Contributions:60 pushes, 1 branch, 10 tags in 1 year 7 months
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