Christopher Walz
Principal Product Security Engineer at Atlassian
Austin, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolChristopher Walz is a Principal Product Security Engineer with 11 years of experience building application security programs and tooling at Atlassian, after a foundational cybersecurity engineering stint at MIT Lincoln Laboratory. He blends hands-on secure coding, automation, and threat modeling with product-focused work—helping teams fix vulnerabilities, ship security features, and scale security automation across large developer orgs. Christopher is also an active open-source maintainer: he created Bit, a modern Git CLI, where he implemented UX-focused features like sync/save commands, branch management, autocompletion, and robust error handling. Based in Austin, he pairs a CS master's with practical embedded/critical-systems security experience and a biology undergraduate background, a mix that informs a pragmatic, systems-aware approach to security engineering. He’s known for turning complex protocol and fuzzing research into production-ready automation that accelerates vulnerability discovery.
10 years of coding experience
10 years of employment as a software developer
Master of Science (MS) Computer Science, Master of Science (MS) Computer Science at The University of Texas at DallasBachelor’s Degree Biology, Bachelor’s Degree Biology at The University of Texas at Austin
Github Skills (11)
branches10
command-line-interface10
git10
go10
manage10
cobra10
cli10
command-line10
github9
test-automation8
fuzzy-search7
Programming languages (8)
Github contributions (5)
chriswalz/bit
Sep 2020 - Jul 2021
Bit is a modern Git CLI
Role in this project:
Back-end Developer
Back-end DeveloperContributions:58 releases, 352 commits, 34 PRs in 10 months
Contributions summary:Christopher implemented and refined features for a Git command-line interface (CLI) application named "bit." Their work included adding new commands such as "sync" and "save," enhancing existing functionalities, and developing branch management features. The user demonstrated a focus on streamlining the user experience by adding autocompletion suggestions and improving error handling within the CLI. They also contributed to the project's build, test, and release aspects.
golangcli-appcommand-line-interfacebitinteractive
chriswalz/complete
Oct 2020 - Mar 2021
bash completion written in go + bash completion for go command
Contributions:30 commits, 29 pushes, 3 branches in 4 months
golangbash-completionbashshellcompletion
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