Peyton Duncan
Tech Lead, Senior Software Engineer - Insider Risk at Security B-Sides Orlando
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolPeyton Duncan is a tech lead and senior software engineer with 11 years of experience building automation-first security systems using Python and Go, currently leading insider risk efforts at ByteDance. He has driven risk and response engineering at TikTok and built SOC automation and monitoring solutions at Palo Alto Networks and Amadeus, pairing hands-on coding with operational security expertise. Peyton routinely automates repetitive, high-impact processes—shifting teams from manual triage to proactive detection—and has deep experience with XSOAR, Splunk, and incident response workflows. He also organizes SunshineCTF, bringing practical red-team/CTF experience to defensive program design and community education. Based in Seattle, he blends large-scale enterprise practice with a maker’s curiosity (and a confessed World of Warcraft habit), which informs his focus on resilient, developer-friendly security tooling.
11 years of coding experience
6 years of employment as a software developer
Bachelors of Science in Computer Science Computer Science, Bachelors of Science in Computer Science Computer Science at University of Central Florida
Github Skills (119)
annotations10
security10
flask10
django10
mypy10
coredump10
attack-defense10
graphql-schema10
ctf10
minikube10
sublime-text9
golang9
fastapi9
python9
asgi9
Programming languages (11)
Github contributions (5)
HackUCF/ctfs
Nov 2018 - Apr 2019
CTF Writeups and Challenges
Contributions:24 commits, 8 PRs, 19 pushes in 4 months
ctfwriteupsctf-writeups
Helithumper/dotfiles
Oct 2017 - Apr 2024
Contributions:2 PRs, 15 pushes, 2 branches in 6 years 7 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.