Yifei Yin
Software Engineer at Stripe
Old Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolYifei Yin is a Staff Software Developer with 10 years of experience building data-driven systems and cloud economics platforms, currently focused on a multi-cloud FinOps data platform at Arctic Wolf. He previously led design and migration of scalable FinOps analytics at Sophos, driving multi-million-dollar monthly cloud cost savings through cross-functional collaboration with finance, SRE, and product teams. Comfortable across the stack, Yifei combines Python, Airflow, dbt, AWS services (Redshift, Athena, S3, Lambda) and ML tooling to deliver performant ETL/analytics and forecasting solutions. His background includes award-winning ML research (Best Student Paper) and production ML/LLM integrations for healthcare and document classification, reflecting a rare blend of research rigor and pragmatic engineering. Based in Toronto, he has a strong academic foundation in AI from Queen’s University (3.97 GPA) and a track record of turning complex cost and data problems into actionable insights.
10 years of coding experience
5 years of employment as a software developer
Honours Bachelor of Science with High Distinction Computer Science, Honours Bachelor of Science with High Distinction Computer Science at University of Toronto ScarboroughHigh School Diploma, High School Diploma at Richmond Secondary School, BC
Chinese, English
Github Skills (51)
raspberry-pi-pico10
javascript10
react-native10
css10
raspberry10
visual-studio-extension10
android10
react10
scripting9
asciidoc9
ios9
cross-platform9
fundamentals9
http9
raspberry-pi-camera9
Programming languages (10)
Github contributions (5)
yifeiyin/GoShare
Feb 2020 - Feb 2020
Contributions:36 commits, 26 pushes, 1 branch in 2 days
yifeiyin/NOTES
Feb 2019 - Nov 2019
Contributions:36 commits, 14 pushes in 9 months
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