SaaS companies rarely fail because of missing features. They fail because the architecture that got them to $5M ARR can’t carry them to $50M. That’s why we design for bursty workloads, regional compliance, and per-tenant observability before those things threaten the roadmap.
The right abstractions keep teams shipping. The wrong ones lock product squads in migration purgatory. We focus on isolation tiers, background job orchestration, and governance from day zero.
Foundation
Treat Multitenancy as a Product Surface
Instead of one-size-fits-all tenancy, we expose configurable isolation tiers. Shared schemas for small customers, dedicated clusters for regulated ones—same codebase, predictable costs.
- Define tenant categories with SLOs and compliance notes.
- Surface cost implications directly in the admin UI.
- Keep observability cardinality in check with partitioning.
Data Plane
Instrument Every Domain Boundary
Event buses, CDC pipelines, and feature-flagged rollouts all feed the same telemetry lake. This lets revenue, success, and engineering teams stare at the same truths.
Event-driven backbone with per-tenant controls
Enablement
Give Every Squad Golden-Path Tooling
The fastest teams ship from templates that already include logging, metrics, retries, and pagination. We invest in platform paved roads before hiring another squad.
Developer experience is a product. Treat it that way.
Scaling platforms isn’t about kubernetes tricks. It’s about agreements between teams—encoded as infrastructure.
— Marcus Lee, VP Platform Engineering
Key Takeaways
- Adopt domain-aligned boundaries before you 'need' them.
- Offer toggled isolation tiers without duplicating code paths.
- Ship golden-path instrumentation to every squad.