Sean
McQuaid
Building software
that feels right.
Accomplished and solution-oriented software engineer with substantial experience in designing, developing, and maintaining frontend and backend systems. Instrumental in formulating, testing, and executing full-stack solutions using modern web technologies.
I've increased revenue up to 20% through performance optimization, spearheaded reusable component libraries that doubled feature delivery speed, and built open source packages used by hundreds of developers. Proven expertise in resolving complex bugs, identifying refactoring opportunities, and mentoring engineering teams.
Core Stack
Repositories
Open source tools, themes, and starter kits on GitHub
Contributions
Commits, PRs, and reviews in the last year
Stars earned
Across published packages and developer tools
JavaScript
69
shopify-rich-text-renderer
Converts Shopify's Storefront API rich text schema to an HTML string. Used across multiple production Shopify storefronts.
JavaScript
46
shopify-bare
Shopify starter theme with JS modules, tree-shaking, live reloading / HMR, Tailwind CSS, and minified builds.
JSON
13
schwifty
VS Code dark theme based on Atom One Dark with a distinctive purple twist. Custom palette tuned for readability.
Senior Software Engineer
The Beyond Group
Increased revenue up to 20% through feature development & Core Web Vitals optimization
Spearheaded reusable component libraries and design systems — 2× faster feature delivery
Built and published NPM packages including shopify-rich-text-renderer (69★)
Software Engineer
E-Commerce & Agency
Boosted sales 15% by building an analytics SPA for the marketing team
Improved site performance up to 1,000% via Core Web Vitals optimization
Led development of internal OOP frameworks and custom A/B testing tools
Let's connect.
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Built with Svelte 5 · Tailwind CSS v4 · Outfit · JetBrains Mono