Designing Scalable Multi-Tenant Architectures with PostgreSQL for SaaS Solutions

Building a successful SaaS platform requires a database architecture that can scale efficiently while maintaining performance, security, and tenant isolation. In this session, Krishna Sarabu, Senior Database Engineer at Amazon Web Services (AWS), explores architectural approaches for designing multi-tenant SaaS applications with PostgreSQL. The presentation examines common tenancy models, scalability considerations, data isolation strategies, and the tradeoffs organizations face as their applications and customer base continue to grow. Whether you're building a new SaaS platform or evolving an existing PostgreSQL deployment, this session provides practical insights into designing architectures that balance scalability, flexibility, and operational simplicity. Speaker: Krishna Sarabu Senior Database Engineer Amazon Web Services (AWS) Recorded at PgSaturday Dallas 2025.