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What Founders Should Know About Software Architecture
You do not need to design systems yourself. You do need to recognise which decisions are expensive to reverse.
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Architecture
How to Prepare Your SaaS Product for 10× Growth
Prepare for the next order of magnitude, not for a hypothetical one.
2 min read
Scale is rarely a single bottleneck. It is a sequence of them — and they appear in a fairly predictable order.
Planning for ten times the current load is realistic. Planning for a thousand times usually produces complexity you pay for immediately and benefit from never.
Find the real limits before they find you
- 1Measure current traffic, data growth and slowest operations.
- 2Load test the critical paths at ten times the current volume.
- 3Record where it breaks: database, external API, memory, a single worker.
The usual order of bottlenecks
- Database queries without indexes, then N+1 query patterns.
- Synchronous work that should be queued — emails, exports, third-party calls.
- Missing caching on read-heavy endpoints.
- Single points of failure in deployment or background processing.
- Observability gaps that make slowness impossible to diagnose.
Organisational readiness counts too
Ten times the users means more support load, more edge cases and more releases. On-call responsibility, incident process and clear ownership of each subsystem matter as much as infrastructure capacity.
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