Ronald E.

I build, migrate, and scale commerce systems as a Shopify Developer, Shopify migration specialist, and Ecommerce Development expert. Across 15+ years of software development, ecommerce projects I’ve worked on generated $40M+ in client revenue. On Upwork, I’m Top Rated Plus with 100% Job Success, $400K+ earned across 39 jobs, and 6,000+ hours worked. Clients hire me as a Shopify Developer for Shopify migration and Ecommerce Development. As the Shopify Developer on 36 builds and rebuilds, I’ve supported stores processing up to 12,000 monthly orders. 🔄 Shopify migration My Shopify migration and Ecommerce Development work covers WordPress, WooCommerce, and BigCommerce. For Shopify migration, I validate data before wordpress to shopify migration. As a Shopify Developer, I handle wordpress migration and bigcommerce migration, covering data and redirects for migration to shopify. Across 18 Shopify migration engagements, I’ve handled up to 45,000 products and 180,000 customer records. My Shopify Developer role includes validation and SEO continuity: one migration mapped 8,500 legacy URLs and retained 96% of organic landing-page traffic over its first 8 weeks. As a wordpress shopify developer, I coordinate with your wordpress developer or web developer. Moving from wordpress or woocommerce, Shopify migration and Ecommerce Development need reconciliation; on 5 launches, imported order totals matched source totals to within 0.1% before sign-off. As a Shopify Developer, I review external systems before Shopify migration begins. Across 9 Shopify migration projects involving ERP or inventory systems, Ecommerce Development included stock synchronization across 2–5 sales channels per store. ⚙️ Shopify themes and Ecommerce Development As a Shopify Developer and shopify app developer, I build themes, Liquid components and shopify app integrations. Across 7 redesigns, I’ve helped simplify navigation for catalogs with 50+ categories, with better filtering and product pages. As your Shopify Developer, I involve UX specialists when you need a shopify designer. My Ecommerce Development covers variants, carts and accessibility. My Ecommerce Development includes B2B, shopify dropshipping and ecommerce website development. Across 4 subscription stores, workflows supported up to 3,200 active subscribers each; one B2B build handled 6 customer pricing tiers. As a Shopify Developer, I build APIs and integrations for payments, inventory, and fulfillment. Across 11 stores, 32 integrations saved 12–24 hours of manual reconciliation a week per store. One inventory connector cut update delays from 30 minutes to under 3 minutes. As a shopify custom print app developer, my Ecommerce Development covers personalization with up to 200 configurable product options. I connect AI chatbots with store data; one implementation cut routine order-status enquiries reaching staff by 22%. Beyond shopify stores, my Ecommerce Development includes headless storefronts and marketplaces. As a Shopify Developer and Full Stack Developer, I use React, Next.js, Medusa.js, Node.js, and Python for storefronts, dashboards, and custom workflows. On 4 team-delivered platforms, my Ecommerce Development work supported up to 60,000 monthly active users per platform. One marketplace onboarded 120 vendors with separate catalogs and payouts. As a Shopify Developer, I align Shopify migration with wider Ecommerce Development and operations. 📈 Performance and long-term support As a Shopify Developer, I handle shopify developer speed work across Core Web Vitals, code, images and apps. For shopify speed work, 9 rebuilds cut mobile page load times by 25–40%. One store’s largest contentful paint fell from 4.2 to 2.5 seconds in comparable tests. My Shopify Developer work includes technical SEO and shopify developer cro improvements. One audit resolved 240 broken internal links and duplicate metadata across 600 pages. One store improved completed purchases per checkout started by 11% relative to its baseline; another reduced mobile cart abandonment by 5 percentage points. My Shopify Developer role includes audits before Shopify migration and roadmaps for Ecommerce Development. Across 28 audits, I’ve reviewed technical debt; 8 stores removed 3–6 redundant apps each, saving $90–$260 a month. Long-term clients retain me as a Shopify Developer and Ecommerce Development partner for releases and improvements. Across 6 stores serving 3–8 markets each, Shopify migration planning covered local currencies and fulfillment. On 3 retained stores, I delivered 40+ releases over 12 months. You get a Shopify Developer for Shopify migration and Ecommerce Development, with Full Stack Developer support for custom ecommerce development. I’m your Shopify Developer for Shopify migration and Ecommerce Development, involving specialists as needed. If you need a Shopify Developer for Shopify migration or custom Ecommerce Development, share your setup. Let’s discuss the next step.