KubernetesEKSArgoCDTerraformIstio
The problem
The client ran 40+ services on hand-configured EC2 instances. Deploys were manual, slow and risky, scaling was painful, and there was no consistent way to ship. Engineering velocity was bottlenecked on infrastructure.
What I built
- 1Designed a multi-account AWS landing zone with isolated prod and staging boundaries.
- 2Built a production-grade EKS platform with Terraform, including autoscaling, spot capacity, and network policies.
- 3Implemented GitOps delivery with ArgoCD and a reusable Helm chart library for golden paths.
- 4Introduced a service mesh (Istio) for mTLS, traffic shifting and progressive canary rollouts.
- 5Migrated services incrementally behind weighted DNS, validating each cutover before proceeding.
The outcome
Every service moved with zero customer-facing downtime. Deploy time dropped 85%, infra spend fell 31% through right-sizing and spot, and the team now self-serves new services via golden paths.
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