CI/CD
How One Fintech Team's 6-Hour Outage Exposed the Hidden Cost of Non-Deterministic Builds (And What They Did About It)
At 2:47 AM on a Tuesday in January 2026, the on-call engineer at a mid-size payments fintech we'll call Vaultline got the alert no one wants: transaction processing was down across three regions. Not degraded. Not slow. Down. By the time the incident was resolved, six hours