Erik Schön explains why scaling fintech for SMEs often exposes hidden architectural flaws and what teams can do early to prevent them.

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Moving from prototype to production in fintech reveals architectural weaknesses that threaten growth. SME-focused platforms face unique challenges: handling thousands of business accounts, meeting compliance requirements, and maintaining reliability under variable load. Common MVP shortcuts—single-region infrastructure, manual workarounds, and inadequate monitoring—collapse at scale. Building on resilient foundations like the BEAM virtual machine and Elixir enables systems to scale without complete rebuilds. Production-ready architecture reduces downtime, lowers change costs, simplifies compliance, and enables continuous deployment while maintaining stability.

From Prototype to Production: Scaling Fintech for SMEs

Building for production: What matters most

What this means for fintech SMEs (and their customers)