A Shopify developer is a professional who specializes in building, customizing, and managing e-commerce websites on the Shopify platform. They understand HTML, CSS, JavaScript, and Shopify's Liquid templating language. Shopify developers create seamless online shopping experiences by integrating plugins, designing user interfaces, improving website performance, and ensuring device compatibility. Their role is critical in assisting businesses in establishing and expanding their online presence, as well as increasing sales and customer satisfaction in today's competitive digital marketplace.