Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm a Senior Software Engineer specializing in Shopify Plus headless commerce architecture and high-performance e-commerce platforms. I build scalable Direct-to-Consumer (DTC) commerce applications using React, Hydrogen, Remix, Next.js, and TypeScript across modern composable stacks. I have a proven track record of architecting headless Shopify solutions, optimizing Core Web Vitals, and improving storefront performance through frontend engineering, algorithm optimization, and CI/CD automation. I deliver production-ready PWAs, composable CMS systems, and performance-driven commerce platforms for high-growth digital brands.…I'm a Senior Software Engineer specializing in Shopify Plus headless commerce architecture and high-performance e-commerce platforms. I build scalable Direct-to-Consumer (DTC) commerce applications using React, Hydrogen, Remix, Next.js, and TypeScript across modern composable stacks. I have a proven track record of architecting headless Shopify solutions, optimizing Core Web Vitals, and improving storefront performance through frontend engineering, algorithm optimization, and CI/CD automation. I deliver production-ready PWAs, composable CMS systems, and performance-driven commerce platforms for high-growth digital brands.

John A. Hopper

Full Stack Developer, Web Developer, Programmer, +2





I'm a Senior Software Engineer specializing in Shopify Plus headless commerce architecture and high-performance e-commerce platforms. I build scalable Direct-to-Consumer (DTC) commerce applications using React, Hydrogen, Remix, Next.js, and TypeScript across modern composable stacks. I have a proven track record of architecting headless Shopify solutions, optimizing Core Web Vitals, and improving storefront performance through frontend engineering, algorithm optimization, and CI/CD automation. I deliver production-ready PWAs, composable CMS systems, and performance-driven commerce platforms for high-growth digital brands.…I'm a Senior Software Engineer specializing in Shopify Plus headless commerce architecture and high-performance e-commerce platforms. I build scalable Direct-to-Consumer (DTC) commerce applications using React, Hydrogen, Remix, Next.js, and TypeScript across modern composable stacks. I have a proven track record of architecting headless Shopify solutions, optimizing Core Web Vitals, and improving storefront performance through frontend engineering, algorithm optimization, and CI/CD automation. I deliver production-ready PWAs, composable CMS systems, and performance-driven commerce platforms for high-growth digital brands.

Available to hire

I’m a Senior Software Engineer specializing in Shopify Plus headless commerce architecture and high-performance e-commerce platforms. I build scalable Direct-to-Consumer (DTC) commerce applications using React, Hydrogen, Remix, Next.js, and TypeScript across modern composable stacks.

I have a proven track record of architecting headless Shopify solutions, optimizing Core Web Vitals, and improving storefront performance through frontend engineering, algorithm optimization, and CI/CD automation. I deliver production-ready PWAs, composable CMS systems, and performance-driven commerce platforms for high-growth digital brands.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior Frontend Engineer (Contract) at MTZ Solutionz

August 1, 2023 - Present

Architected and developed headless Shopify Plus storefronts using Hydrogen, Remix, React, and TypeScript; led the development of a composable CMS architecture with Builder.io to enable rapid, high-conversion landing pages via reusable React components; implemented SSR and frontend performance strategies to improve Core Web Vitals; optimized render-blocking resources, image formats, DOM caching, code splitting, and lazy loading; integrated tracking and analytics in a headless storefront with non-blocking scripts; built scalable analytics/integration frameworks for marketing platforms; refactored large UI systems into reusable component libraries; established CI/CD automation and release processes; collaborated with product/design/marketing to deliver scalable commerce solutions.

UI/UX Developer (Freelance) at Hat Trick Advisors

April 1, 2023 - July 1, 2023

Redesign and development of hattrickadvisors.com; UI/UX wireframing; front-end development.

Shopify Plus / Salesforce Commerce Cloud Engineer (Contract) at CQL Corporation

December 1, 2022 - February 1, 2023

Developed front-end solutions for Shopify Plus and Salesforce Commerce Cloud (SFCC); customized ISML templates and JavaScript UI components; integrated Node.js and modern build tooling into commerce workflows; collaborated with enterprise stakeholders on scalable commerce implementations.

Shopify Developer (Contract) at Moxie Scrubs

June 1, 2022 - November 1, 2022

Led Shopify theme redevelopment and performance optimization; implemented advanced product filtering and search functionality; improved technical SEO.

Lead Shopify Plus Developer at Accelerate360

April 1, 2021 - July 1, 2022

Lead developer for multiple Shopify Plus and WordPress e-commerce platforms; delivered full site rebuild (usnow.com v2) from concept to production in under 30 days; developed custom Shopify themes using Liquid and modern JavaScript frameworks; conducted headless Shopify R&D using Next.js and Builder.io; implemented business logic for an enterprise retail partnership with CVS CLn Skin Care.

Lead Shopify Developer / E-Commerce Architect at CLn Skin Care

March 1, 2020 - December 1, 2020

UI/UX development on clnwash.com; led Magento to Shopify migrations; architected API integrations including ShipStation, Okendo, OmniSend, and Google APIs; contributed to revenue growth; managed Amazon and Walmart marketplace integrations; developed CRM automation workflows.