Microservices vs Monolith: Why We Chose a Modular Monolith
The pragmatic middle ground between a monolith and microservices — and why it is the right choice for most growing SaaS companies.
The microservices hype convinced an entire generation that monoliths are bad. We disagree. What matters is modularity, not deployment topology.
Our Approach: Modular Monolith
- Each module (CRM, Marketing, Payroll) is a self-contained Django app
- Modules communicate through internal APIs and domain events
- Shared database with schema-level isolation per tenant
- Any module can be extracted to a service later if needed
- One deployment pipeline, one test suite, one monitoring stack
For most SaaS companies under 100 engineers, a modular monolith is faster to develop, easier to debug, and cheaper to operate.
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