Design, develop, and maintain custom SFCC solutions (SiteGenesis or SFRA or Composable Storefront) for our online storefronts. Build and integrate scalable front-end components using HTML, CSS, JavaScript, and ISML. Implement and maintain server-side scripts using SFCC Business Manager, Controllers, and JavaScript APIs. Work closely with designers, product managers, and QA teams to deliver high-quality solutions. Integrate third-party APIs and services. Ensure performance, security, and cross-browser compatibility. Write reusable, testable, and efficient code.