Leo Qin
Staff Data Engineer
Covina, California, United States
Summary
👤
Senior🎓
Top SchoolLeo Qin is a software engineer based in New York with nine years of experience building infrastructure and data-focused systems across startups and larger tech firms. He has shipped production software at companies including Retool, Robinhood, and currently Old Mission, bringing practical full-stack sensibilities from earlier internships at Google, Wish, and others. Comfortable working across backend infrastructure and data tooling, he blends hands-on engineering with an eye for operational reliability. Leo’s Github presence emphasizes infrastructure and data projects and he also publishes on Codeberg, reflecting a preference for diverse open-source ecosystems. Trained in computer science at the University of Waterloo, he combines rigorous fundamentals with fast-moving product environments. Colleagues describe him as a pragmatic problem-solver who favors shipping measurable improvements over perfection.
9 years of coding experience
7 years of employment as a software developer
Bachelor of Arts (B.A.), International Relations and Affairs, Bachelor of Arts (B.A.), International Relations and Affairs at Lewis and Clark College
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (62)
operation10
metadata10
java10
pipeline10
readable10
snowflake9
mysql9
postgresql9
data-collection9
dagster9
bigquery9
observation9
scheduler9
python9
lmdb9
Programming languages (6)
Github contributions (5)
leozqin/blog
Nov 2023 - Mar 2025
Leo Qin's Blog
Contributions:103 PRs, 68 pushes, 125 branches in 1 year 4 months
hugohugo-sitejamstack
leozqin/precis
Apr 2024 - Jan 2025
Precis is an extensible self-hosted AI-enabled RSS reader with a focus on notifications and support for theming
Contributions:22 releases, 63 PRs, 105 pushes in 9 months
aidaisyuidockerdocker-composefastapi
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