Reference Architectures & Blueprints

Proven architectural patterns for common SaaS functionality. Battle-tested designs that accelerate development and reduce technical risk.

These blueprints represent years of experience building SaaS products. Each one includes detailed architecture diagrams, component specifications, and implementation guidelines to help you build scalable, maintainable systems.

Multi-Tenant SaaS Architecture

Advanced

Complete architecture for scalable multi-tenant SaaS applications with data isolation and shared infrastructure.

Key Features:

  • Tenant management and onboarding
  • Database-level data isolation
  • Tenant-specific configurations
  • Cross-tenant analytics
  • Resource usage tracking
  • Tenant lifecycle management

Core Components:

Tenant Registration ServiceData Isolation LayerTenant Configuration APIUsage Monitoring DashboardBilling Integration

Technology Stack:

Node.jsPostgreSQLRedisDockerAWS

Use Case:

SaaS platforms serving multiple customer organizations with strict data separation requirements.

Architecture diagram

Full C4-style diagrams and component specs are shared during discovery — not published publicly to protect client confidentiality.

Subscription Billing System

Intermediate

End-to-end subscription management with flexible pricing models, usage tracking, and automated billing.

Key Features:

  • Flexible pricing plans
  • Usage-based billing
  • Proration calculations
  • Dunning management
  • Tax calculation
  • Payment retry logic

Core Components:

Plan Management APIUsage Tracking ServiceBilling EnginePayment ProcessingInvoice Generation

Technology Stack:

Node.jsStripe APIPostgreSQLRedisWebhooks

Use Case:

SaaS products with subscription models, usage-based pricing, or complex billing requirements.

Architecture diagram

Full C4-style diagrams and component specs are shared during discovery — not published publicly to protect client confidentiality.

Real-time Analytics & Reporting

Advanced

Live dashboard system with custom metrics, alerts, and data export capabilities for SaaS analytics.

Key Features:

  • Real-time event tracking
  • Custom dashboard builder
  • Automated alerts
  • Data export & API
  • Cohort analysis
  • A/B testing metrics

Core Components:

Event Collection APIStream Processing EngineDashboard BuilderAlert ManagerExport Service

Technology Stack:

Node.jsClickHouseKafkaReactD3.js

Use Case:

SaaS products requiring real-time insights, user behavior analytics, or business intelligence.

Architecture diagram

Full C4-style diagrams and component specs are shared during discovery — not published publicly to protect client confidentiality.

Authentication & RBAC System

Intermediate

Comprehensive authentication with role-based access control, SSO integration, and security features.

Key Features:

  • Multi-factor authentication
  • Role-based permissions
  • SSO integration (SAML/OAuth)
  • Session management
  • Audit logging
  • Password policies

Core Components:

Authentication ServiceAuthorization EngineSSO IntegrationSession ManagerAudit Logger

Technology Stack:

Node.jsJWTOAuth 2.0PostgreSQLRedis

Use Case:

SaaS applications requiring enterprise-grade security, team management, or SSO integration.

Architecture diagram

Full C4-style diagrams and component specs are shared during discovery — not published publicly to protect client confidentiality.

Notification & Communication Hub

Intermediate

Multi-channel notification system with preferences, templates, and delivery tracking.

Key Features:

  • Email, SMS, push notifications
  • Template management
  • User preferences
  • Delivery tracking
  • A/B testing for messages
  • Unsubscribe management

Core Components:

Notification EngineTemplate ServiceDelivery TrackerPreference ManagerChannel Adapters

Technology Stack:

Node.jsSendGridTwilioFCMPostgreSQL

Use Case:

SaaS platforms needing sophisticated user communication and engagement features.

Architecture diagram

Full C4-style diagrams and component specs are shared during discovery — not published publicly to protect client confidentiality.

Document & File Management

Intermediate

Secure file storage with versioning, sharing, and collaboration features for SaaS applications.

Key Features:

  • Secure file upload/download
  • Version control
  • Share permissions
  • Collaboration features
  • File processing pipeline
  • Storage optimization

Core Components:

File Upload ServiceVersion ManagerPermission EngineProcessing PipelineCDN Integration

Technology Stack:

Node.jsAWS S3CloudFrontPostgreSQLSharp

Use Case:

SaaS products requiring document management, file sharing, or collaborative editing features.

Architecture diagram

Full C4-style diagrams and component specs are shared during discovery — not published publicly to protect client confidentiality.

Why Use Our Blueprints?

Accelerate development with proven patterns

Faster Development

Skip the research and architecture phase. Start building immediately with proven patterns that work.

Reduced Risk

Battle-tested architectures that have been proven in production environments across multiple projects.

Best Practices

Each blueprint incorporates security, scalability, and maintainability best practices from day one.

Need a Custom Blueprint?

We can create custom architectural blueprints for your specific use case

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