A fintech lender was running its core loan origination and servicing platform on aging on-premise infrastructure. Scaling for origination peaks required expensive manual provisioning that took days. The infrastructure team spent 40% of their time on maintenance rather than improvements, and the company had failed a SOC 2 audit.
We mapped every application component, its dependencies, data flows, and compliance requirements. The target architecture used AWS with multi-AZ deployments, auto-scaling groups, and RDS for the database tier. We ran a parallel environment for six weeks before cutover, validating every transaction type against production data before switching live traffic.
The migration used a strangler-fig pattern, moving one service at a time to the cloud environment while the monolith ran in parallel. Infrastructure was fully codified in Terraform. Cutover used a blue-green deployment with automated rollback scripts. The new environment included CloudWatch monitoring, AWS Config for compliance, and a SOC 2-aligned control framework.
Zero downtime during cutover. Uptime improved from 99.7% to 99.99%. Infrastructure costs dropped 41% through right-sizing and reserved instance purchases. The company passed its SOC 2 Type II audit three months after go-live.
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