Josiah Bruner
Staff Security Engineer at Jellyfish
Ann Arbor, Michigan, United States
Summary
👤
Senior🎓
Top SchoolJosiah Bruner is a Staff Security Engineer with 13 years of experience building pragmatic security and privacy engineering solutions across enterprise and product teams. Currently at Jellyfish, he focuses on making security more tractable for engineering organizations while also co-founding RiskyTrees to tackle practical risk problems. His background includes designing automated vulnerability management, threat modeling toolchains, and performance-led improvements for large distributed web services at Cisco and HARMAN, and he’s led initiatives that measurably sped up systems and testing coverage. Josiah pairs hands-on secure development and auditing (C/C++/Java, Rust) with developer-facing programs like API standardization, security training, and reading clubs, reflecting a blend of technical depth and community-building. Based in Ann Arbor, he brings a research-minded approach from a Georgia Tech MS and a track record of turning complex security workflows into auditable, repeatable processes.
13 years of coding experience
8 years of employment as a software developer
Bachelor’s Degree Computer Science, Bachelor’s Degree Computer Science at University of MichiganMaster's Degree Computer Science, Master's Degree Computer Science at Georgia Institute of TechnologyComputer Technology/Computer Systems Technology, Computer Technology/Computer Systems Technology at Washtenaw Community College
English
Stackoverflow
4,723reputation
356kreached
90answers
39questions
xcode
top-5%
Github Skills (127)
forking10
mojolicious10
semgrep10
perl10
thunderbird10
firefox10
bit10
mozilla10
gecko10
javascript9
static-analysis9
python9
java9
xcode9
sast9
Programming languages (11)
Github contributions (5)
JosiahOne/evofinder
Apr 2018 - Mar 2019
Contributions:25 commits, 9 PRs, 21 pushes in 11 months
pythonsecurityfuzzingfuzzerevolutionary
TheMarmots/ArchKatas2022
Jun 2022 - Jul 2022
Contributions:36 commits, 26 pushes in 1 month
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