Developed and maintained Shopify storefronts and eCommerce applications using Shopify Liquid, React, PHP and modern frameworks. Optimized UI/UX and improved speed, scalability and Core Web Vitals compliance across Shopify store fronts. Integrated third-party APIs and connected ERP/CRM systems via REST/GraphQL APIs and webhooks for seamless data synchronization. Supported multi-channel development approaches for sales and marketing platforms. Led A/B testing, funnel and conversion rate optimization initiatives. Built and maintained product management capabilities across the full software lifecycle, from strategy to delivery.

Senior Shopify Developer at Built

Developed and customized responsive front-end components using Shopify Liquid, HTML, CSS, and JavaScript based on UI/UX requirements. Built and customized Shopify apps and storefront features using Shopify APIs and admin tools to extend storefront functionality. Optimized site performance and user experience across devices. Integrated ERP and CRM systems via REST APIs, GraphQL APIs, and webhooks for seamless data synchronization. Maintained and debugged Shopify stores and supported multi-channel development approaches. Implemented A/B Testing, Funnel Optimization, and Conversion Rate Optimization to improve sales performance. Supported comprehensive product management across the full lifecycle, from feature strategy to delivery. Built headless storefronts using React and Next.js, separating frontend from backend eCommerce logic. Implemented Shopify Storefront API integration for product listings, cart management, and checkout flow. Built subscription functionality and custom components

Senior eCommerce Developer at Freelance / Self-Employed

Deliver scalable Shopify and eCommerce solutions for growth-focused brands. Specialize in custom theme and app development, performance optimization, and front-end and back-end engineering using Shopify Liquid, React, and PHP. Translate Figma designs into production-ready code, integrate third-party APIs, and connect ERP and CRM systems to streamline operations. Known for building fast, reliable, and maintainable eCommerce platforms that improve performance, data flow, and business outcomes.

Built custom Shopify apps and store front features using Shopify APIs and admin tools to extend store functionality. Optimized application performance for speed and efficiency and ensured smooth operation across devices. Increased conversion rate by 20% by improving page load times and accessibility for eCommerce operations. Diagnosed and fixed technical issues and bugs to maintain website functionality and user experience. Handled store migrations by transferring products, customers and order data between platforms while ensuring data integrity. Collaborated with cross-functional teams to deliver complete software solutions.

Shopify Developer at Self-Employed (Shopify/eCommerce) - Belgrade, Serbia

Built a full-featured Shopify eCommerce website from Figma design; implemented core shopping functionalities (product pages, cart, checkout, payments, storefront features); integrated third-party apps; optimized site performance; connected ERP and CRM tools; ensured seamless user experience across devices.

Developed and customized Shopify storefronts, themes and Liquid templates to improve performance and user experience. Optimized page layouts, product pages and checkout flows, resulting in improved conversion rates and faster load times. Integrated third-party APIs, payment gateways and marketing tools to support eCommerce operations. Implemented A/B testing on Shopify themes by modifying Liquid templates, JavaScript and CSS to measure user behavior. Delivered dynamic product-related quizzes and integrated results with Shopify product collections to improve engagement and conversion.

Junior Shopify Developer at Codersy

Developed and customized Shopify storefronts, themes, and Liquid templates to improve performance and user experience. Optimized app performance for speed and efficiency across devices. Integrated third-party APIs, payment gateways, and marketing tools to support eCommerce operations. Implemented A/B testing on Shopify themes by modifying Liquid templates, JavaScript, and CSS to measure user behavior.