Real SaaS architecture breakdown (project example)
Go under the hood of a live SaaS project. We explain the cloud choices, database design, and API layer.
Under the Hood
Technical transparency: We show you the actual AWS services and Node.js patterns used in a high-ticket enterprise SaaS project.
Project Overview
Enterprise B2B SaaS with 500+ companies. Required SOC2 compliance. Complex permission hierarchies. Multi-region deployment.
AWS Architecture
EC2 Auto Scaling Group for application servers. RDS PostgreSQL with read replicas. ElastiCache Redis for sessions. S3 for file storage. CloudFront CDN.
Backend Services
Node.js with Express. TypeScript for type safety. Prisma ORM for database. Socket.io for real-time features. Bull for background jobs.
API Design
RESTful API with OpenAPI documentation. Rate limiting per tenant. Request validation with Zod. Error handling standardization.
Database Schema
Multi-tenant design using schema per tenant. Row-level security policies. Optimized indexes for common queries. Soft deletes for audit trails.
Monitoring and Observability
Datadog for APM. Sentry for error tracking. CloudWatch for infrastructure. PagerDuty for alerting. Daily error review meetings.
CI/CD Pipeline
GitHub Actions for testing. Automated security scanning. Blue-green deployment. Database migrations with rollback capability.
Sapterc Editorial Team
Expert insights on SaaS architecture, product management, and engineering.