How a fintech platform achieved 99.97% uptime with graceful degradation and circuit breakers

Circuit breakers saved our fintech platform from daily outages Picture this: your payment platform processes €2.3 million daily, but every morning it crashes when users actually need it. That was our reality until we stopped thinking about scaling up and started thinking about failing gracefully. The problem: cascading failures during peak hours Our European fintech platform served 45,000 users across account management, payments, and transaction history. Normal response times sat around 200ms,