Joon Cho
Software Engineer, Trust & Safety at Nextdoor
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolJoon Cho is a software engineer with 10 years of experience specializing in trust & safety and growth-focused systems, currently building safety infrastructure at Nextdoor in New York. He brings a product-minded engineering approach from roles at Titan and a multi-year tenure at Affirm where he advanced from software engineer to senior engineer on merchant APIs. Known for a contrarian, results-oriented mindset, he blends data-driven experimentation with robust backend design to reduce risk while enabling scalable growth. A Dartmouth-trained computer scientist with mathematics, he’s comfortable navigating both fraud-prevention trade-offs and growth levers—often finding non-obvious optimizations between user experience and safety enforcement.
10 years of coding experience
5 years of employment as a software developer
Bachelor of Arts (B.A.), Computer Science with Mathematics, Bachelor of Arts (B.A.), Computer Science with Mathematics at Dartmouth CollegeChantilly High School
Github Skills (7)
flask-application4
cs503
flask3
depth2
python2
css1
javascript1
Programming languages (2)
Github contributions (5)
joonhyongcho/Ama-zing-mze-project
Aug 2015 - Jan 2019
Contributions:1 push, 1 branch in 3 years 5 months
joonhyongcho/joonhyongcho.github.io
Jan 2016 - Sep 2016
Contributions:74 pushes, 1 branch in 7 months
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