Zero‑downtime Cloud Migration
FinTech — Reliability, repeatability, and cost efficiency
FinTech−28% cost
Zero‑downtime Cloud Migration
Context
A regulated FinTech needed to migrate core services to the cloud without impacting customers.
Results
- 0 minutes of downtime during cutover
- 28% infrastructure cost reduction
- Faster release cadence (weekly → daily)
Solution
- Blue/green deployment and traffic shifting
- IaC with Terraform and GitOps for repeatability
- Observability stack to validate SLOs in real time