Senior Staff Kubernetes Platform Engineer — Remote

Affirm, Inc.; United States; À distance; USD 236 000 - 325 000; Plein temps

Avantages offerts par ce poste

Health coverage at no cost

Monthly tech stipends

Generous time off

Employee stock purchase plan (ESPP)

Résumé du poste

Affirm, Inc. is seeking a Senior Staff Software Engineer, Backend (Compute Platform) to advance our large-scale EKS-based platform. You will architect and evolve cluster provisioning, upgrades, and self-service workflows, owning core components like Karpenter, CoreDNS, and the CI/CD pipeline.

You will mentor teams and drive reliability, observability, and cost strategies across the fleet. The role requires deep Kubernetes expertise, Go or Python production experience, and a history of

Qualifications

• 10+ years in software or infrastructure engineering with proven delivery of complex platform solutions.
• 6+ years hands-on operating production Kubernetes at scale, ideally EKS on AWS.
• Strong cloud-native architecture experience on AWS (EC2, VPC, IAM, EKS).
• Experience with Infrastructure-as-Code (Terraform, Spacelift a plus) and GitOps-style deployment pipelines.
• Expert-level proficiency in Go or Python and production-grade Kubernetes controllers, operators, and tooling.

Responsabilités

• Architect and evolve Affirms EKS platform, driving strategy across cluster lifecycle, node management, and shared cluster components.
• Lead the technical direction for cluster provisioning, upgrades, and teardown through standardized IaC and self-service workflows.
• Own the reliability of core shared components across the fleet and the CI/CD pipeline that ships them.
• Define and enforce EKS workload safety standards covering resource configuration, isolation, and blast radius.
• Build the enforcement and automation path from research to policy-enforced defaults for new workloads.
• Establish observability, baseline audits, and reporting to identify hot spots and measure risk mitigation.
• Partner with cluster-user teams to understand workload needs and shape the platform accordingly.
• Drive cost and capacity strategy across node scaling, bin packing, and EC2 instance selection.
• Mentor engineers across Compute Platform teams and participate in on-call rotations.

Connaissances

EKS

Kubernetes

Terraform

Spacelift

Go

Python

GitOps

ArgoCD

Karpenter

Incident response

Formation

Bachelor's degree or equivalent

Outils

Terraform

Spacelift

GitOps tooling

ArgoCD

kube-applier

Description du poste

Affirm, Inc. is seeking a Senior Staff Software Engineer, Backend (Compute Platform) to advance our large-scale EKS-based platform. You will architect and evolve cluster provisioning, upgrades, and self-service workflows, owning core components like Karpenter, CoreDNS, and the CI/CD pipeline.

You will mentor teams and drive reliability, observability, and cost strategies across the fleet. The role requires deep Kubernetes expertise, Go or Python production experience, and a history of