David Chan
Principal Software Engineer at Okta
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolDavid Chan is a Principal Software Engineer based in New York with 12 years of deep expertise in web application and security engineering. He combines leadership roles at Okta and Salesforce with a hacker mindset—running a persistent independent bug bounty practice since 2014—bringing both product-scale engineering and adversarial perspective to secure design. His background includes building application security programs at Mozilla, Yelp, and startup Patchwork Security, giving him experience across open-source, enterprise, and founder environments. A UC Berkeley CS graduate, he’s known for translating complex threat models into practical, deployable protections while still enjoying the craft of “breaking” systems to make them stronger.
12 years of coding experience
16 years of employment as a software developer
Bachelor of Arts Computer Science, Bachelor of Arts Computer Science at University of California, Berkeley
Github Skills (24)
python10
ctf9
security9
ansible9
attack-defense9
flask9
ssh9
automation8
devops8
infrastructure-as-code7
formatter7
isort7
imports7
cleaner7
cli6
Programming languages (2)
Github contributions (5)
PatchworkSecurity/cleansweep
Jan 2016 - Feb 2016
Contributions:69 commits, 29 pushes, 12 branches in 1 month
PatchworkSecurity/mcv
Jan 2016 - Jan 2016
Contributions:8 pushes, 1 branch in 3 days
configuration-managementspartanpythonconfiguration
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