Yifei Yin
Staff Software Developer at Arctic Wolf
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.
11 years of coding experience
6 years of employment as a software developer
Honours Bachelor of Computer Science, Artificial Intelligence, 3.97, Honours Bachelor of Computer Science, Artificial Intelligence, 3.97 at Queen's University
Github Skills (53)
rust-lang10
markdown10
javascript10
raspberry-pi-pico10
ios10
react-native10
electron10
workspace10
yjs10
crdt10
tableview10
notion10
privacy10
android10
rust10
Programming languages (11)
Github contributions (5)
yifeiyin/GoShare
Feb 2020 - Feb 2020
Contributions:36 commits, 26 pushes, 1 branch in 2 days
yifeiyin/CONFIGS
Jan 2020 - Sep 2025
Contributions:2 PRs, 67 pushes, 4 branches in 5 years 9 months
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