Senior Software Engineer, Backend (Workload Safety)
Core
Define and enforce workload safety standards for Affirm's global Amazon EKS fleet to ensure availability, latency, and cost efficiency.
Role type
Senior IC backend infrastructure engineer (Kubernetes/EKS)
Builds
Policy-as-code guardrails, automation for workload compliance, and control plane scaling patterns for the EKS fleet.
Domain
Cloud infrastructure, Kubernetes, FinTech
Required skills
Kubernetes resource management and scheduling, Go or Python, policy-as-code (OPA Gatekeeper/Kyverno), production debugging, cross-team technical leadership, infrastructure cost/impact analysis
Preferred skills
Amazon EKS experience, Kubernetes operators/controllers, incident response, mentoring
Technologies
Amazon EKS, Kubernetes, Go, Python, OPA Gatekeeper, Kyverno, Karpenter
Responsibilities
Define and evolve workload safety standards (CPU, memory, isolation), own standards end-to-end from research to automation, lead cross-team initiatives and mentor engineers, fix stuck workloads and node lifecycle problems, determine safe operating limits and scaling patterns, analyze resource profiles to guide EC2 strategy, participate in on-call for Kubernetes runtime issues, keep up with Kubernetes community best practices
Seniority
Senior, hands-on IC
