Sammy Leong
Executive Director (Sr. Principal Software Engineer) at JPMorgan Chase & Co.
San Francisco, California, United States
Summary
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Senior🎓
Top SchoolSammy Leong is an executive-level software engineer with 13 years of experience building large-scale platforms and payment/core services, currently serving as Executive Director (Sr. Principal Software Engineer) at JPMorgan Chase in San Francisco. He helped found and lead key machine learning infrastructure at Google—co-creating TFX and the Traino training platform—and has a strong track record of turning experimental systems into production-grade, widely adopted platforms. Sammy blends deep software design and architecture expertise with GUI and usability sensibilities, enabling both backend scalability and pragmatic developer-facing tools. His career spans high-impact roles at Google, Uber, Roku, and Fast where he led teams, designed core payment systems, and owned reliability for ad systems. Not obvious from titles: he has repeatedly acted as the integrator who rallies cross-functional engineers to move from prototype to programmatic platform adoption. He holds a Software Engineering degree from the University of Waterloo and pairs strategic product thinking with hands-on execution.
13 years of coding experience
17 years of employment as a software developer
Course Work CS229 Machine Learning, Course Work CS229 Machine Learning at Stanford University (Stanford Continuing Studies)BASc/BSE Software Engineering, BASc/BSE Software Engineering at University of Waterloo
English, Chinese, ChineseGithub contributions (1)
ashishb/Farsight
Oct 2012 - Dec 2012
Contributions:45 commits in 1 month
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