Mark Halliwell
Senior Frontend Architect at ThirtyTech Inc
Fort Worth, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolMark Halliwell is a Senior Frontend Architect with over 15 years of experience shaping high-performance, enterprise web frontends and aligning technical strategy with business outcomes. He’s recognized for pioneering the most-installed Drupal base theme (180,000+ installs) and for contributing front-end fixes to popular Bootstrap theme repositories, demonstrating practical impact in open source. Mark has led cross-functional teams to modernize large applications—migrating to Vue 3 with TypeScript and raising unit test coverage dramatically—while architecting standalone admin applications with sustained 97%+ test coverage. His work spans Drupal, React, Vue, Angular and server-side rendering, with a focus on performance, accessibility, and measurable UX improvements that boost conversions. Colleagues rely on him for pragmatic architectural decisions, developer mentorship, and hands-on problem solving across multinational projects. Based in Fort Worth, Texas, he brings both deep technical craft and a track record of driving scalable frontend strategies in Fortune 100 and government contexts.
15 years of coding experience
15 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at University of Alaska Southeast
Github Skills (5)
css10
bootstra10
front-end-development10
bootstrap10
html7
Programming languages (15)
Github contributions (5)
thomaspark/bootswatch
Dec 2013 - Dec 2015
Themes for Bootstrap
Role in this project:
Front-end Developer
Front-end DeveloperContributions:6 commits, 1 PR, 10 comments in 2 years
Contributions summary:Mark primarily focused on updating the Bootstrap themes within the repository. They made changes to the CSS files, specifically addressing font imports and the addition or removal of slashes in URLs, ensuring the themes are compatible across different protocols. Their contributions also included updating the API documentation to include a link to changes in the bootswatch API. This suggests a focus on maintaining and improving the existing theme's functionality and documentation.
bootstrap4sassbootstrap-iconscssbootswatch
truckingsim/Ajax-Bootstrap-Select
Sep 2014 - Sep 2019
This uses the bootstrap-select plugin and extends it so that you can use a remote source to search.
Contributions:72 commits, 11 PRs, 18 pushes in 5 years 1 month
bootstrap4bootstrapbootstrap-select
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.