Affirm
Senior Software Engineer, Backend (Workload Safety)
Remote Canada +1 · Remote · Senior · Full-time · Posted Oct 21, 2026
- Location
- Remote Canada
Remote US - Experience
- 5+ years running Kubernetes in production at scale.
About the job
Sets and enforces workload safety standards across Affirm’s Amazon EKS fleet to protect availability, latency, and cost as the infrastructure scales.
What you'll do
- Research, define, and roll out workload configuration standards, with guidance and automated policy guardrails.
- Lead fleet-wide initiatives to improve workload isolation, resource management, cluster limits, and node lifecycle operations.
- Participate in on-call, investigate Kubernetes runtime issues, and use incident patterns and impact measurements to guide improvements.
What they ask for
- 5+ years running Kubernetes in production at scale.
- Deep knowledge of Kubernetes resource management, scheduling, pod lifecycle, and disruption management.
- Experience enforcing standards with admission control and policy-as-code; proficiency in Go or Python building production infrastructure software.
- Demonstrated ability to debug production issues, lead cross-team initiatives, mentor engineers, and quantify infrastructure impacts.
Nice to have
- Experience with Amazon EKS across many clusters.
- Experience with OPA Gatekeeper or Kyverno.
Tools
Kubernetes, Amazon EKS, Go, Python, OPA Gatekeeper, Kyverno, Karpenter, EC2
AI focus
Supports ML workloads on EKS; no AI development work is specified.
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