Ian Lehmann
Ethical Hacker at Self-employed
Greater St. Louis United States
Summary
🤩
Rockstar🎓
Top SchoolIan Lehmann is an ethical hacker and software engineer with five years of professional experience and a broader technical foundation from roles at Amazon and early-stage startups. He transitioned from multiple software development positions at Amazon into founding FlipWord to make language learning passive, and now operates as a self-employed security researcher with a public HackerOne presence. Comfortable across product, infrastructure, and security domains, Ian combines hands-on offensive testing with prior large-scale engineering experience to find pragmatic, high-impact vulnerabilities. Based in Greater St. Louis, he pairs a Computer Engineering degree from Missouri S&T with a practical entrepreneurial streak and a proven ability to move between product development and security-focused work.
5 years of coding experience
12 years of employment as a software developer
Bachelor’s Degree, Computer Engineering, Bachelor’s Degree, Computer Engineering at Missouri University of Science and Technology
Github Skills (15)
aws10
xss9
vulnerability9
cloud-development-kit9
typescript9
clickjacking9
infrastructure-as-code9
cloud-infrastructure9
hacking9
mobile-security8
sql-injection8
csrf8
web-security8
security8
session-fixation8
Programming languages (5)
Github contributions (5)
tiefps/md-to-csv
Mar 2023 - May 2025
Markdown to CSV
Contributions:1 PR, 14 pushes, 3 branches in 2 years 2 months
techedcollab/techedcollab.github.io
Nov 2023 - Jan 2024
Contributions:23 reviews, 11 PRs, 14 pushes in 2 months
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