senior.NET Core

How would you design a multi-tenant SaaS architecture in .NET Core at scale?

Updated Apr 28, 2026

Short answer

By isolating tenant data using strategies like separate DBs, schemas, or shared DB with filters.

Deep explanation

Multi-tenancy can be implemented using database-per-tenant, schema-per-tenant, or shared database with tenant identifiers. Middleware can resolve tenant context, and EF Core global query filters can enforce isolation.

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