Technology & IT

Senior Staff Software Engineer, Backend (Compute Platform) at Affirm

Posted

  • Company: Affirm
  • Location: Remote Canada
  • Job type: Full-time
  • Salary: CAD $209,000 – $269,000 per year

About the role

Affirm is seeking a Senior Staff Software Engineer to join the Compute Platform team. You will help build and maintain the large-scale, highly available infrastructure that supports Affirm’s financial products. The team manages over 90 EKS clusters, focusing on standardization, automation, and reliability. This is a remote-first position based in Canada.

Responsibilities

  • Architect and evolve the EKS platform, including cluster lifecycle and node management.
  • Lead technical direction for cluster provisioning and upgrades using Terraform and Spacelift.
  • Own the reliability of core shared components like Karpenter, CoreDNS, and VPC CNI.
  • Define and enforce EKS workload safety standards for resource configuration and isolation.
  • Build automation paths to move standards from manual onboarding to policy-enforced defaults.
  • Establish observability, baseline audits, and reporting to measure risk mitigation.
  • Partner with cluster-user teams to understand workload needs and shape the platform.
  • Drive cost and capacity strategy across node scaling and EC2 instance selection.
  • Mentor engineers and participate in the on-call rotation for production incidents.

Requirements

  • 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.
  • Deep expertise in EKS and Kubernetes internals, including scheduling and autoscaling.
  • Strong cloud-native architecture experience on AWS (EC2, VPC, IAM, EKS).
  • Expert-level proficiency in Go or Python for building production-grade Kubernetes controllers.
  • Experience with Infrastructure-as-Code (Terraform) and GitOps-style deployment pipelines.
  • Demonstrated leadership and cross-functional influence.
  • This position requires either equivalent practical experience or a Bachelor’s degree in a related field.

Pay and benefits

  • Base pay range: CAD $209,000 – $269,000 per year.
  • Equity rewards and an employee stock purchase plan (ESPP).
  • 100% subsidized medical, dental, and vision coverage for you and your dependents.
  • Monthly stipends for health, wellness, and tech spending.
  • Flexible time off and generous holiday calendars.

How to apply

Apply directly on Affirm’s own careers website. Omadaily never charges job seekers.

Apply on the employer’s website →