Juan R.

Experience Summary

Juan is a Senior Shopify Engineer with extensive experience building high-traffic, conversion-focused storefronts, custom Shopify applications, and complex integrations for enterprise and high-growth DTC brands. His expertise spans traditional Shopify theme development, Shopify Plus implementations, and modern headless architectures using Hydrogen, Remix, Next.js, and React. Throughout his career, Juan has worked on large-scale ecommerce ecosystems, delivering scalable solutions that improve performance, customer experience, and operational efficiency. He has deep experience integrating Shopify with ERP systems, building Checkout UI Extensions, developing custom Shopify applications, and optimizing storefront performance through modern frontend frameworks and architecture best practices. Juan combines strong engineering fundamentals with a commercial understanding of conversion optimization and ecommerce growth. Key Skills and Tools: Shopify Ecosystem * Shopify Plus * Shopify Hydrogen * Shopify Oxygen * Checkout UI Extensions * Shopify Admin Extensions * Shopify App Development * Shopify Scripts * Shopify Markets * Shopify REST API * Shopify GraphQL API * Liquid Frontend Development * React * Remix * Next.js * TypeScript * JavaScript * HTML * CSS Backend Development * Node.js * PHP * Prisma * Webhooks * API Development Headless Commerce * Headless Shopify Architecture * Contentful * Vercel * Performance Optimization * Core Web Vitals Optimization Enterprise Integrations * Oracle Fusion * ERP Integrations * Klaviyo * Recharge * Typeform * Langify * Logistics Platforms Optimization & Analytics * Conversion Rate Optimization (CRO) * A/B Testing * Performance Audits * Scalability Planning Development Practices * CI/CD * Agile Methodologies * Technical Architecture * Code Reviews * Accessibility Standards

Key Achievements

* Served as Senior Engineer on a large-scale headless Shopify storefront built with Hydrogen, Next.js, TypeScript, Contentful, and Vercel. * Played a key role in migrating a major ecommerce platform from Gatsby to Next.js, significantly improving scalability, performance, and developer experience. * Built reusable, accessible frontend component libraries aligned with Shopify standards and enterprise design systems. * Delivered Shopify Plus solutions for enterprise clients, including custom applications, storefronts, checkout customizations, and integrations. * Led Oracle Fusion to Shopify integrations using GraphQL, REST APIs, and webhooks, streamlining business operations and data synchronization. * Developed Checkout UI Extensions and Shopify Admin customizations to enhance customer and merchant experiences. * Built and optimized high-traffic Shopify storefronts, driving improvements in Core Web Vitals, conversion rates, and user engagement. * Implemented CRO initiatives, A/B testing programs, and performance optimization projects across multiple ecommerce brands. * Developed custom Shopify applications and integrations with Recharge, Klaviyo, Typeform, Langify, and logistics platforms. * Supported a high-growth Shopify Plus furniture brand, building advanced custom product configuration experiences and performance-focused storefront features.

Skills

Work Experience