Integration Ignited Redefining Event-Driven Architecture at Wix - EventCentric

At Wix, we revolutionized our platform by making integration events the backbone of our 4,000-microservice ecosystem. By abandoning traditional domain events for standardized Protobuf events through Kafka, we created a universal language powering our entire architecture. We'll share how our "single-aggregate services" approach—where every CUD operation triggers semantic events—transformed scalability and extensibility, driving efficient event choreography, data lake ingestion, and search indexing. We'll address our challenges: balancing consistency with modularity, managing event overhead, and solving consumer lag issues. Learn how event-based data prefetches dramatically improved performance while preserving the decoupling that makes our platform infinitely extensible. Key Takeaways: - How integration events enabled unprecedented scale and extensibility - Practical strategies for event-based data prefetching that supercharge performance - Solutions to common event-driven architecture challenges - When to break conventional architectural rules for specific contexts