Overview
What we delivered
A growing startup needed a robust SaaS platform to serve multiple clients with isolated data, flexible subscription plans, and enterprise features. Stellar Code System built a scalable multi-tenant SaaS solution with advanced security, automated billing, and seamless integrations.
Client
A B2B SaaS startup targeting enterprise clients with workflow automation needs, requiring a scalable platform with multi-tenancy and enterprise security.
Challenge
The client needed to scale from a single-tenant MVP to a multi-tenant SaaS platform capable of serving hundreds of enterprise customers with data isolation and compliance.
Single-tenant architecture couldn't scale
No data isolation between customers
Manual subscription and billing management
Lack of enterprise security features
No role-based access control (RBAC)
Integration challenges with third-party tools
Solution
Stellar Code System architected and developed a multi-tenant SaaS platform with enterprise features, automated billing, and robust security.
1. Multi-Tenant Architecture
Database-per-tenant isolation for enterprise clients
Shared schema with row-level security for SMB clients
Tenant provisioning automation
Cross-tenant data protection
2. Subscription & Billing
Stripe integration for automated billing
Multiple subscription tiers (Starter, Pro, Enterprise)
Usage-based billing for API calls
Self-service plan upgrades/downgrades
3. Security & Compliance
SOC 2 Type II compliance preparation
Role-based access control (RBAC)
SSO with SAML 2.0 and OAuth 2.0
Audit logging and activity tracking
Data encryption at rest and in transit
4. Integrations
REST API with comprehensive documentation
Webhooks for real-time event notifications
Zapier and Make.com integrations
Slack, Microsoft Teams, and email notifications
Technology Stack
Frontend: React.js, TypeScript, Tailwind CSS
Backend: Node.js, NestJS, PostgreSQL
Infrastructure: AWS (ECS, RDS, S3, CloudFront)
Payments: Stripe
Monitoring: Datadog, Sentry
Implementation Timeline
Phase 1 (Weeks 1-4): Architecture design and multi-tenancy setup
Phase 2 (Weeks 5-8): Core platform features and RBAC
Phase 3 (Weeks 9-12): Billing integration and subscription management
Phase 4 (Weeks 13-16): Security hardening and compliance
Phase 5 (Week 17+): Testing, launch, and ongoing optimization
Results
Onboarded 50+ enterprise clients in first 6 months
99.9% platform uptime
40% reduction in customer onboarding time
Automated billing saved 20 hours/week
Passed SOC 2 Type II audit
ARR grew 300% year-over-year
Client Testimonial
Words from the client
Stellar Code System transformed our MVP into an enterprise-ready SaaS platform. Their expertise in multi-tenancy and security was invaluable. We're now serving Fortune 500 clients with confidence.
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