Jack Mccracken
Staff Security Engineer at DataGrail
Ottawa, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolJack Mccracken is a Staff Security Engineer with 15 years of experience securing major web platforms and critical Internet infrastructure from Ottawa, Canada. He has led and scaled application security programs at Shopify and GitHub, building static analysis, vulnerability management, secure-by-default libraries, and manual review processes while driving developer trust and usability. Comfortable as an individual contributor and manager, Jack has been a DRI for company-wide initiatives and handled high-severity incident response and bug bounty triage. An active contributor to the Ruby on Rails project, his work improving CSRF protections and SameSite cookie handling shows a blend of practical engineering and security-first thinking. He’s eager to bring his big-picture mindset to a smaller organization where he can broaden his impact across incident response, compliance, asset management, and observability.
15 years of coding experience
6 years of employment as a software developer
Computer Science Computer and Internet Security, Computer Science Computer and Internet Security at Carleton University
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (9)
security10
application-framework10
app-framework10
web-framework10
ruby-rails10
rails10
ruby10
activesupport9
html4
Programming languages (10)
Github contributions (5)
rails/rails
Oct 2017 - Oct 2021
Ruby on Rails
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 15 commits, 7 PRs in 4 years 1 month
Contributions summary:Jack primarily contributed to the security and robustness of the Ruby on Rails framework. Their commits focused on enhancing request forgery protection, specifically addressing vulnerabilities related to CSRF tokens and SameSite cookie configurations. They also improved the caching mechanisms and documentation clarity within the ActiveSupport library, showcasing a focus on performance and security enhancements.
ruby-on-railsrailsframeworkrubymvc
Shopify/activerecord-firewall
Mar 2018 - Apr 2019
Contributions:19 commits, 2 PRs, 8 pushes in 1 year 1 month
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