Leonardo Quimbaya
Strategic Field Security Specialist, Code Scanning
San Antonio, Texas, United States
Summary
👤
Senior🎓
Top SchoolLeonardo Quimbaya is a seasoned security-focused field specialist with 12 years of experience helping organizations secure their software supply chains and implement developer-first tooling. Currently at GitHub, he advises Application Security leaders on GitHub Advanced Security—spanning SCA, CodeQL SAST, and Secret Scanning—and partners closely with sales and solutions engineering to drive adoption. His background blends hands-on software development, threat hunting, and presales engineering at companies like Snyk, Tenable, and Cisco, plus founding a community-focused nonprofit that runs San Antonio’s largest cybersecurity meetup. A former instructor and communicator, he leverages teaching skills to translate technical complexity into consultative, customer-facing solutions. Known for patient curiosity and collaborative problem-solving, he pairs a pragmatic, people-first approach with a knack for building bridges between product, field, and community.
12 years of coding experience
10 years of employment as a software developer
University of Texas at San AntonioEconomics, Management, Chinese, Economics, Management, Chinese at Tongji UniversityEnglish, Communications, 3.64, English, Communications, 3.64 at San Antonio College
Chinese, English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (119)
web-application10
websocket10
security10
javascript10
owasp10
vulnerabilities10
ldap10
hashtag10
trend10
application-security10
pentesting10
ctf10
hacking10
secure-coding10
ftps9
Programming languages (19)
Github contributions (5)
WritingPanda/Lightweight-Django-Project-1
Nov 2015 - Mar 2025
Going through the Lightweight Django Book from O'Reilly. Found some mistakes in it, which is fine. Also, using Python 3.5 like a boss.
Contributions:15 PRs, 18 pushes, 21 branches in 9 years 5 months
WritingPanda/goof
Sep 2020 - Mar 2025
Super vulnerable todo list application
Contributions:27 PRs, 36 pushes, 34 branches in 4 years 6 months
vulnerablenodejstodo-listtodo
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