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Published onJanuary 3, 2026How Shopify’s Event-Driven & Streaming Architecture Powers 66M Kafka Msg/secSystem-DesignKafkaArchitectureShopifyEvent-DrivenShopify processes some of the highest traffic loads anywhere. Behind the scenes, a streaming event core built on Apache Kafka enables this scale by decoupling services, enabling real-time analytics, and powering machine learning workflows.