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Senior Software Engineer, Backend (AI Platform)

Affirm

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In brief

Senior Software Engineer, Backend (AI Platform).

Duties

  • Plan, execute, and own technical decisions and projects within the AI Platform team, from design through launch and on-call.
  • Design and build the gateway, runtime, and evaluation services that take AI workloads at Affirm from pilot to production, securely scaling across…
  • Make AI spend attributable and governable: build the identity, quota, routing, caching, and failover controls that let teams adopt new models and…
  • Partner with security, infrastructure, and product engineering teams to set the guardrails for agentic workloads and the on-behalf-of identity model…
  • Create and monitor metrics for your team's systems, and own the operational health of what you ship: monitoring, alerting, runbooks, and on-call.

Excerpt from the ad

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. Affirm's engineering team is building a…

Source: ad by Affirm, published on Careers pages (ATS). MakeYouFirst summarises this ad; the advertiser remains responsible for its content.

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FAQ

Frequently asked questions

Can this job be done remotely?

Yes, the ad says the job is fully remote.

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Click “Apply now”: with your free MakeYouFirst account, your CV and cover letter are tailored to this job, the recruiter’s email is found for you and the application is sent from your own mailbox once you approve it.

Which software should I master for software engineer jobs?

Business support roles expect strong office software skills and often a specialist tool, such as an ERP, an HR system, accounting software or a CRM. Name them precisely in your CV, with your level.

Can you start software engineer jobs through an apprenticeship or internship?

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Listing published by Youssef Douiri, founder of MakeYouFirst · Updated on 9 November 2026

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