Senior Staff Software Engineer, Backend – Compute Platform

🔥 2 hours ago

🇺🇸 United States – Remote

💵 $236k - $296k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

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Affirm

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2012

💳 Fintech

👥 B2C

🛍️ eCommerce

💰 Post-IPO Equity on 2021-01

Fintech • B2C • eCommerce

Affirm is a financial technology company that offers a 'Buy Now, Pay Later' service, allowing consumers to make purchases and pay for them over time with flexible payment plans. Affirm eliminates hidden fees and compound interest, providing clear terms and conditions for its users. The company also offers the Affirm Card, a debit card that allows users to request to pay over time for larger purchases or pay in full for smaller ones. Affirm partners with various retailers across multiple categories, including electronics, apparel, and travel, providing customers with the convenience of paying over time at checkout both online and in physical stores. Affirm's services are integrated with Apple Pay, enabling customers to make payments seamlessly from their iPhone or iPad.

📋 Description

• Architect and evolve Affirm's EKS platform across cluster lifecycle, node management, and shared cluster components • Lead technical direction for cluster provisioning, upgrades, and teardown using standardized IaC and self-service workflows • Own reliability of shared components including Karpenter, CoreDNS, VPC CNI, Kube Proxy, Metrics Server, and their CI/CD pipeline • Define and enforce EKS workload safety standards covering resource configuration, isolation, blast radius, PDBs, and consolidation strategies • Build automation and enforcement paths from research and onboarding through broad adoption and policy-enforced defaults • Establish observability, baseline audits, and reporting to identify hotspots and measure risk mitigation • Partner with checkout, batch, ML, analytics, DevProd, Product, Infrastructure, Traffic, and Cost & Capacity Engineering teams • Drive cost and capacity strategy across node scaling, bin packing, and EC2 instance selection • Mentor Compute Platform engineers and set operational excellence standards • Participate in on-call rotation, triage and catalogue runtime Kubernetes issues, and collaborate with SRE on 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 EKS and Kubernetes internals expertise, including cluster upgrades, node lifecycle, scheduling, and autoscaling • Experience automating Kubernetes operations at fleet scale, including provisioning, upgrades, node lifecycle, self-healing remediation, and policy-driven enforcement • Strong grasp of workload reliability patterns, including resource tuning, probes, PDBs, topology, and isolation constraints • Experience with platform standards, admission control, OPA/Gatekeeper or equivalent • Infrastructure as Code fluency with Terraform and GitOps or pipeline-driven delivery models • Observability experience defining SLOs, metrics, logs, alerting coverage, and baseline audits • Strong AWS cloud-native architecture experience with EC2, VPC, IAM, and EKS • Experience with Terraform, Spacelift, and GitOps-style deployment pipelines • Expert-level proficiency in Go or Python • Experience building production-grade Kubernetes controllers, operators, and platform tooling • Track record designing and enforcing standards across many teams • Equivalent practical experience or a Bachelor’s degree in a related field

🏖️ Benefits

• Equity rewards may be included in the total compensation package • Monthly stipends for health, wellness and tech spending • 100% subsidized medical coverage for employees and dependents • Dental and vision coverage for employees and dependents • Flexible time off • Generous holiday calendars • Employee stock purchase plan (ESPP) with discounted Affirm stock • Remote-first flexibility within the country of employment • In-person onboarding experience for all new hires • Inclusive interview process and disability accommodations

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