Shopify | Magento 2 | Full-stack delivery

Engineering e-commerce that performs, scales, and passes every audit.

Full-stack engineer with deep experience in Shopify, Magento 2, and scalable PHP/JavaScript architectures. I deliver complete e-commerce solutions, optimize performance, and elevate platform security and compliance.

Shopify + Magento 2 End-to-end e-commerce delivery across leading platforms.
500%+ Page-load reductions via caching, lazy loading, and frontend optimization.
Audit recovery Brought failing ADA and security audits to passing grades.

About Me

Gary Frey portrait

Full-stack e-commerce engineer

Full-stack engineer with deep experience in Shopify, Magento 2, and scalable PHP/JavaScript architectures. I deliver complete e-commerce solutions, optimize performance, and elevate platform security with accessibility and audit readiness in mind.

Selected projects

Architecture | Delivery | Performance

Core skills

E-commerce engineering

  • Shopify (Liquid, metafields, Storefront/Admin APIs)
  • Magento 2 (modules, GraphQL, indexing, theming)

Frontend engineering

  • React
  • JavaScript (ES6+)
  • HTML/CSS
  • Accessibility (WCAG)

Backend engineering

  • PHP 8+
  • Node.js
  • JavaScript / TypeScript
  • SQL
  • Redis / Elasticsearch

DevOps & Other

  • Git / GitHub Actions
  • Docker
  • Linux
  • CI/CD pipelines
  • Firebase
  • WebGL / Unity (minimal)

Experience

2018 - Present
2021 - Present | Remote

Freelance Software Engineer

Designed and built the full Shopify e-commerce platform for Namco Pools, including a custom multi-step pool configurator that reduced support needs and improved customer flow.

Implemented scalable Liquid, metafield, and API-driven architectures supporting complex pricing rules and product configurations.

Developed backend features in PHP and Node.js to support automation tools, admin workflows, and data-driven storefront logic.

Collaborated with a small team on ~20% of work while independently owning architecture and delivery of core features.

ShopifyLiquidPHPNode.js
2023 - 2024 | Applied Visions

Web Developer

Developed complete e-commerce sites using Wix Studio, delivering responsive, accessible, and client-ready builds.

Built custom Magento 2 extensions and new site features tailored to client requirements, improving platform capability and stability.

Improved ADA compliance from failing to fully passing across multiple properties using WCAG-aligned remediation.

Reduced page load times by up to 500% through caching, lazy loading, and frontend performance optimization.

Worked directly with clients to gather requirements, refine expectations, and guide successful project delivery.

Wix StudioMagento 2ADAPerformance
2020 - 2023 | Namco

Magento 2 Developer

Handled all deployment responsibilities independently, ensuring stability and zero unplanned downtime without a DevOps engineer.

Improved checkout performance and reduced abandonment through iterative UX improvements and tested design updates.

Enhanced Redis and Elasticsearch performance to significantly accelerate search and reduce page-load times.

Raised security audit results from failing to A through patching, CORS configuration, and firewall improvements.

Magento 2RedisElasticsearchSecurity
2018 - 2020 | Zorus

Software Engineer

Developed backend features for a B2B web security and productivity management platform used by enterprise clients.

Implemented role-based access control and improved data-privacy protections with secure encryption strategies.

Optimized SQL queries, lowering database load and improving backend responsiveness by over 30%.

Integrated new API features and strengthened automated testing processes for more stable deployments.

RBACSecuritySQLTesting

Let's build your next launch

Remote | Available for new work

Tell me what you're trying to ship - a Shopify build, Magento 2 upgrade, or hardening a platform that needs better speed or stability. I reply within one business day.