IURII S.

Hi 👋 I’m a senior eCommerce developer with $200K+ earned on Upwork 6,000+ hours 80+ completed projects and a 100% job success score. I help eCommerce businesses build new stores improve existing platforms migrate between technologies solve performance issues develop custom functionality and scale their online business. My main focus is Shopify and Shopify Plus but I also have strong experience with Magento 2 Adobe Commerce Shopware 6 Hyvä WordPress WooCommerce DevOps PWA Headless Commerce and AI-powered eCommerce solutions. I’m comfortable working both with new projects from scratch and with existing stores that need optimization migration redesign integrations or long-term technical support. With Shopify I work on custom Shopify development Shopify Plus development Shopify theme development Shopify theme customization Shopify Liquid custom sections templates metafields metaobjects cart functionality checkout improvements Shopify Apps Shopify Admin API Shopify Storefront API GraphQL REST API webhooks B2B functionality and third-party integrations. I can also help with complex Shopify Plus stores high-volume eCommerce projects custom workflows and scalable storefront architecture. A big part of my work is Shopify migration and platform migration. I handle Magento to Shopify migration Magento to Shopify Plus migration WooCommerce to Shopify migration Shopware to Shopify migration and custom platform to Shopify migration. This usually includes products variants customers orders collections CMS content URLs redirects SEO data integrations and custom business logic. I also work a lot with Shopify performance optimization Shopify speed optimization Core Web Vitals Google PageSpeed Lighthouse Liquid optimization JavaScript optimization CSS optimization app audits image optimization lazy loading mobile performance and conversion rate optimization. My goal is not only to make the store technically faster but also easier to use and easier to maintain. Magento and Adobe Commerce are another major part of my background. I work with Magento 2 Adobe Commerce Magento Open Source Magento development custom Magento modules Magento extensions Magento themes Magento checkout customization Magento API integration Magento upgrades Magento migrations Magento performance optimization Magento 1 to Magento 2 migration and legacy Magento projects. For Magento frontend projects I also work with Hyvä Themes Hyvä Checkout Hyvä Development Tailwind CSS Alpine.js and custom Hyvä components. Hyvä is especially useful when the goal is to modernize Magento frontend improve Core Web Vitals simplify frontend development and get better storefront performance. I also have experience with Shopware 6 Shopware Development Shopware Plugin Development Shopware Storefront Shopware API Integration Shopware Migration Symfony and custom Shopware functionality. I can help with new Shopware projects existing stores migrations performance improvements integrations bug fixing and ongoing maintenance. For WordPress and WooCommerce projects I work with WordPress WooCommerce WooCommerce Development WooCommerce Customization WooCommerce Plugin Development WooCommerce Migration WooCommerce Performance Optimization checkout customization payment integrations and custom functionality. On the infrastructure side I work with DevOps Linux Docker CI CD GitHub Actions AWS Nginx Apache Varnish Redis MySQL MariaDB Elasticsearch OpenSearch Git deployment automation server optimization staging environments caching and monitoring. This allows me to handle not only frontend or backend development but also the infrastructure behind an eCommerce project. I also work with modern PWA and headless architectures using PWA Progressive Web Apps Magento PWA PWA Studio Headless Commerce GraphQL Storefront API REST API JavaScript TypeScript and custom storefront solutions. This is useful for projects that need more flexibility better frontend performance or a completely custom customer experience. AI is another area I actively use in eCommerce. I work with AI Integration OpenAI API AI Chatbots AI Product Assistants AI Search AI Recommendations Content Automation Customer Support Automation and Workflow Automation. These solutions can be integrated into Shopify Magento Adobe Commerce Shopware or WooCommerce depending on the project requirements. My core stack includes Shopify Shopify Plus Shopify Liquid Shopify Apps Magento 2 Adobe Commerce Magento Open Source Hyvä Themes Hyvä Checkout Shopware 6 WordPress WooCommerce PHP Symfony JavaScript TypeScript HTML5 CSS3 Tailwind CSS Alpine.js GraphQL REST API PWA Headless Commerce DevOps Docker AWS Redis Elasticsearch OpenSearch Git GitHub Actions CI CD OpenAI API and AI Integration. Typical projects I work on include Shopify Development Shopify Plus Development Shopify Store Development Shopify Theme Development Shopify App Development Shopify API Integration Shopify Migration Magento to Shopify Migration Shopify Speed Optimizati