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Explore integration patterns and design trade-offs for building multi-tenant SaaS applications in this 52-minute conference talk from AWS re:Invent 2025. Discover how to address the unique challenges that arise when adding multi-tenancy to interconnected applications that expose APIs, publish events, call third-party services, and externalize states. Learn practical approaches to ensure tenant performance and data isolation while efficiently sharing resources across your multi-tenant architecture. Examine common design patterns through real-world examples that illustrate how to navigate the complexities of multi-tenant integrations. Gain insights into balancing resource sharing with tenant isolation requirements, and understand the architectural decisions that impact both performance and security in multi-tenant systems.
