Justin Windholtz
Chief Technology Officer at SignUpGenius
Washington, District of Columbia, United States
Summary
🤩
Rockstar🎓
Top SchoolJustin Windholtz is a seasoned technology leader and current Chief Technology Officer at EVERFI with 13+ years of experience building and scaling engineering organizations in the education and nonprofit technology space. He progressed through technical and leadership roles at EVERFI—from Senior Engineer to VP and now CTO—and served as Director of Software Engineering at Blackbaud, demonstrating consistent growth in systems and people leadership. A hands-on engineer early in his career, Justin has full-stack Rails experience and contributed meaningful upgrades and fixes to the open-source BrowserCMS project, touching both front-end and back-end dependency modernization. Based in Washington, D.C., he combines product-focused architecture with operational rigor to deliver reliable, secure systems for mission-driven customers. Colleagues know him for balancing long-term platform strategy with attention to developer experience and testable, maintainable code.
13 years of coding experience
20 years of employment as a software developer
bs, Computer Science, bs, Computer Science at Ohio University
Github Skills (12)
rails10
jquery10
ruby-on-rails10
javascript9
activerecord9
minitest8
html8
ui-design7
graphical-user-interface7
css7
user-interface7
git6
Programming languages (1)
Github contributions (5)
browsermedia/browsercms
Oct 2013 - Aug 2017
BrowserCMS: Humane Content Management for Rails
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:38 commits, 8 PRs, 18 pushes in 3 years 10 months
Contributions summary:Justin primarily contributed to the BrowserCMS project by upgrading dependencies and implementing new features within the Rails framework. They updated the jQuery and added jQuery UI, which impacted both the application's front-end and back-end dependencies. Furthermore, the user resolved issues in the CMS, including navigation links and permission edits, indicating involvement across various parts of the application. They also addressed validation errors and fixed tests related to a recent upgrade.
rails
jtwohiou/omniauth-clever
Feb 2018 - Feb 2018
Contributions:1 push, 1 branch in 1 day
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