Selected work

Multi-tenant SaaS authentication and billing

Organization-scoped auth, membership, and subscription boundaries so a growing SaaS could onboard tenants without entangling data or access control.

Industry

B2B SaaS platform (anonymized)

Engagement

Product engineering project with architecture-first delivery

Challenge

The product needed real multi-tenancy: users belonging to organizations, admin invitations, role boundaries, and a path to billing — without bolting tenancy on after features shipped.

Approach

We modeled organization scope at the session and API layer, kept tenant data isolation explicit in the data model, and designed auth flows (signup, invitation, active organization) as product surfaces rather than afterthought middleware.

Outcomes

  • Clear organization membership and role model in production
  • Session-scoped active organization for API and UI
  • Billing/subscription-ready product boundaries without a rewrite

Stack and systems

  • TypeScript full-stack monorepo
  • Organization-scoped GraphQL API and web clients
  • Auth sessions with organization context

Related serviceAll case studies

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