Shopify Plus migration for fashion leader Carbon38. Scope: Full replatform (M2 to Shopify Plus), data migration (50k+ SKUs), custom checkout UI, and ERP integration. Measurable outcomes: -40% load time; +15% conversion rate; -30% TCO (maintenance savings) achieved within 90 days post-launch. Result: A stable, high-performance site handling 3x traffic spikes without downtime.