Solution blueprintSaaSB2B software

Multi-Tenant SaaS & Billing Platform

Subscription platform with isolated tenant workspaces, team roles and usage-based billing.

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Focus
SaaS
Industry
B2B software
Primary stack
React
Architecture
4 components

From problem to production

  1. Problem

    Manual customer onboarding and missing role-based access make it hard for a growing SaaS product to sell to larger organisations.

  2. Requirements

    • Onboard new customer organisations without manual setup
    • Granular roles and permissions per organisation
    • Subscription and usage-based billing
    • An audit trail for every significant action

  3. Architecture

    A multi-tenant architecture with automatic workspace provisioning, granular role-based access control, Stripe subscription billing with usage metering, and a complete audit log.

    1. 01React SPA
    2. 02CloudFront
    3. 03Django API on ECS
    4. 04Tenant Schemas

  4. UX

    Self-serve workspace creation, team invitations and a billing page that organisation admins can manage themselves.

  5. Development

    A Django REST API with schema-level tenant isolation, a React SPA, Stripe billing integration and an audit-log service.

  6. Testing

    Permission-matrix tests for every role, tenant-isolation tests, and billing scenarios run against Stripe test mode.

  7. Deployment

    Containers on AWS ECS behind CloudFront, migrations run per tenant schema, and alerts on billing webhooks.

Key capabilities

  • Automatic tenant workspace provisioning
  • Granular role-based access control (RBAC)
  • Tiered and usage-based recurring billing
  • Audit log of every significant system event

Technology

  • React
  • Django REST Framework
  • PostgreSQL
  • AWS ECS
  • Docker
  • Stripe

This is a solution blueprint: a representative architecture showing how we approach this kind of problem. Every real build is shaped around the client’s existing systems, constraints and budget.

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