Jon Gunnison
Senior Frontend Developer at Freelance
Chicago, Illinois, United States
Summary
👤
Senior🎓
Top SchoolJon Gunnison is a Senior Frontend Developer with 11 years of experience crafting high-performance, user-focused interfaces and end-to-end solutions across eCommerce, insurance, and enterprise tooling. He blends UX design sensibilities with full-stack engineering and product management skills, having driven measurable improvements like cutting build times from 24 minutes to 1 minute and boosting eCommerce sales and site performance. Jon has led global design systems and component libraries that empowered dozens of teams, standardized brand experiences, and improved developer productivity and accessibility compliance. Comfortable mentoring and running CI/CD pipelines, he pairs systems thinking with hands-on optimization—recently integrating Rust-based tooling to halve test times. Based in Chicago, he brings a pragmatic mix of strategic roadmap leadership and detailed front-end craftsmanship, often surfacing non-obvious infrastructure wins that accelerate delivery.
11 years of coding experience
15 years of employment as a software developer
React.js, React.js at React TrainingFront-End Web Development, Front-End Web Development at freeCodeCampUdemy AcademyCode SchoolFront-End Web Development, Front-End Web Development at Treehouse
English
Github Skills (20)
modular8
highlight7
javascript7
adaptation7
highlighting7
frontend7
highlightjs6
microfrontend6
react-component6
syntax-highlighting5
routes4
boilerplate4
react4
react-router3
webpack3
Programming languages (3)
Github contributions (5)
jgunnison/react-boilerplate
Jul 2017 - Jun 2020
Contributions:1 PR, 55 pushes in 2 years 11 months
webpackreactreactjsboilerplate
jgunnison/genjsx
Feb 2017 - Dec 2021
Contributions:10 commits, 8 pushes, 1 branch in 4 years 10 months
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.