BackendApr 5, 20265 min readElixir FlowBackend systems perspective
BackendMVPAPIs
An MVP may look simple in the interface while hiding significant system complexity underneath. Once you add users, permissions, payments, dashboards, and external tools, backend structure starts determining product quality.
Architecture is risk control, not decoration
Good backend architecture at the MVP stage is usually about clean models, clear responsibilities, and an API surface that will not become a trap in six months.
- Model the core domain before the UI becomes the only source of truth.
- Keep external provider logic away from product-facing state when possible.
- Treat permissions, background jobs, and retries as first-class workflow concerns.
type WorkflowState = "draft" | "pending_provider" | "confirmed" | "failed";
type ProviderEvent = {
providerId: string;
state: WorkflowState;
receivedAt: string;
};