Guillermo Gabarrin
Co-Founder - CTO & COO at Refactor Security
Miami, Florida, United States
Summary
👤
Senior🎓
Top SchoolGuillermo Gabarrin is a security-focused technology leader and co-founder currently serving as CTO & COO of Refactor Security, with roughly a decade of experience helping startups and Fortune 500 companies reduce real risk through application security and penetration testing. He combines hands-on offensive testing and secure development practices with operational leadership, having led engagements at Bishop Fox and built security tooling and continuous testing experience at Shorebreak and Axcient. Based in Florida, he also teaches secure software development at Universidad Católica del Uruguay, bridging industry practice with academic training. Guillermo holds advanced postgraduate credentials in computer security and is known for prioritizing pragmatic, risk-driven remediation over theoretical checklists—favoring adaptable execution that delivers measurable security outcomes.
9 years of coding experience
8 years of employment as a software developer
Master's in Computer Security, Master's in Computer Security at Centro de Posgrados y Actualización Profesional en InformáticaB.Eng. in Computer Science, B.Eng. in Computer Science at Universidad Católica del Uruguay 'Dámaso Antonio Larranaga'
English, Spanish
Github Skills (67)
socket9
noscript9
sketchup8
azerothcore8
http-request8
abaqus8
security8
firefox-webextension8
qbcore-framework8
ansible-collections8
ping8
vscode8
vscode-extension8
crossword8
svn8
Programming languages (5)
Github contributions (5)
ggabarrin/requestify
Dec 2017 - Jun 2020
Contributions:40 commits, 10 PRs, 50 pushes in 2 years 6 months
raw-httphttp-requestnodejsrequest
ggabarrin/noscript-tag-blocker
Jun 2020 - Dec 2022
Firefox WebExtension for blocking <noscript> tags
Contributions:9 releases, 36 commits, 28 pushes in 2 years 6 months
firefoxwebextensionfirefox-webextensionfirefox-extensionblocking
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