Justin O'neill
Interactive Designer & Developer UI UX FX at Oneezy, inc.
Austin, Texas, United States
Summary
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RockstarJustin O'neill is a self-taught interactive designer and front-end developer based in Austin with over a decade of professional experience and more than 20 years practicing UI/UX craft. He builds high-performance, cross-browser mobile web applications and has delivered designs and scalable front-end architectures for clients ranging from enterprise B2B ecommerce at HP to startups in crypto and open-source projects. As founder of Oneezy, Inc., Justin blends hands-on development with visual design and motion effects (FX), often taking projects from concept through production as a solo lead. Known for pragmatic, device-first solutions and expert CSS/HTML5 implementation, he also brings experience in marketing-facing visuals, SEO, and complex web app integrations that keep user experience consistent across platforms.
11 years of coding experience
4 years of employment as a software developer
Stackoverflow
4,981reputation
2.3mreached
64answers
91questions
css
top-5%
html
top-5%
responsive-design
top-5%
Github Skills (200)
material-design-lite10
svg10
web-development10
svelte10
visualization10
css10
hardware10
desktop10
orientation10
frontend10
windows10
webapp10
trello-card10
tooling10
parallax10
Programming languages (11)
Github contributions (5)
oneezy/monorepo
May 2022 - Dec 2022
Turborepo + Sveltekit + PNPM + Tailwind + Histoire
Contributions:139 commits, 1 PR, 62 pushes in 6 months
monorepotailwindcssturborepotailwindsvelte
oneezy/gtd-trello-card-links
Jan 2017 - Aug 2020
Get Things Done w/ Trello Card Links!
Contributions:2 commits, 1 PR, 11 pushes in 3 years 7 months
trello-cardzonesheadlinkstrello
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