Build, customize, and maintain Shopify B2C (and future B2B) storefronts. Manage third-party integrations (e.g., Google Merchant Center, Elevar, marketing pixels). Set up and optimize tracking systems (GA4, GTM, attribution tools). Collaborate with marketing on CRO efforts. Maintain QA processes and improve site speed, SEO, and mobile responsiveness. Test and implement AI tools. Ensure global compliance (GDPR, WCAG, FTC).