Full Stack Developer

Job Description Design, build, and maintain custom Shopify themes and features using Liquid, HTML5, CSSSCSS, and JavaScript (ES6React). Build and optimize back-end services, custom Shopify apps, and API integrations (Node.js preferred). Integrate systems such as payment processors, CRMs, fulfillment, analytics, and subscription tools. Optimize Core Web Vitals, page speed, and mobile performance. Collaborate with marketing and design teams to roll out promotions and product launches.