SaaS Product Engineering
Architect once. Scale indefinitely.
We engineer multi-tenant SaaS platforms with subscription billing, RBAC, usage metering, and architecture built to absorb 10× growth without a costly rebuild.
Engineering mobile systems built for scale.
The difference between a SaaS product that scales and one that requires a rebuild at Series B is architecture — specifically tenant isolation, billing lifecycle management, and feature entitlement systems designed from day one. We build these systems precisely, then layer the product on top.
Built for high-growth companies and operational teams.
Founders building SaaS products from MVP stage
SaaS companies outgrowing their current architecture
Enterprises building internal SaaS tooling
Agencies productizing their service delivery
Enterprise-grade mobile architecture capabilities.
Multi-Tenant Architecture
Database-per-tenant, schema-per-tenant, and shared-schema architecture
Tenant provisioning and onboarding automation
Cross-tenant data isolation and security enforcement
Tenant-level configuration and customization systems
Subscription & Billing Infrastructure
Stripe and Paddle subscription lifecycle management
Usage-based billing and metering systems
Trial management, dunning, and payment failure recovery
Invoice generation, tax handling, and revenue recognition
Access Control & Entitlements
Role-based access control (RBAC) system design
Feature flag and entitlement enforcement layers
SSO and SAML integration for enterprise customers
Audit logging and activity trail systems
SaaS Metrics & Growth Infrastructure
MRR, ARR, churn, LTV, and NRR dashboards
White-label and reseller portal development
In-app upgrade flows and plan comparison systems
Product-led growth (PLG) infrastructure design
Problems we solve at the infrastructure level.
Architecture that won't survive growth
SaaS platforms built without multi-tenant isolation and proper billing infrastructure require expensive rebuilds as the customer base scales.
Manual billing and subscription management
Spreadsheet-based or manual billing processes create errors, churn, and revenue leakage at scale.
No enterprise-grade access control
Flat permission systems block enterprise sales that require SSO, RBAC, and audit logging as baseline requirements.
Performance metrics that impact business growth.
MVP to market
Tenant isolation
Churn reduction
Billing accuracy
Real-world deployment and measurable outcomes.
B2B SaaS platform build
Multi-tenant platform with Stripe billing serving 400+ organizations — launched in 9 weeks, zero architectural debt.
SaaS billing migration
Migrated manual billing to Stripe subscription system — recovered $180k in annual revenue leakage.
Modern engineering stack optimized for scale.
Trusted across operationally demanding industries.
Build scalable digital products engineered for long-term growth.
Partner with Santi IT Farm to engineer high-performance mobile systems, scalable infrastructure, and enterprise-grade digital experiences.