Scaling a SaaS product isn't just about adding servers. It's about choosing the right architecture from day one—or knowing when to refactor.
Microservices vs monolith: Start simple, split when boundaries are clear. Database choice: PostgreSQL for relational data, Redis for caching, consider event-driven patterns for real-time features.
CI/CD and observability matter as much as code. We've helped teams move from "it works on my machine" to zero-downtime deployments and clear metrics. This post outlines the decisions we typically make when designing systems that grow with your business.