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Senior Software Engineer, Backend (Reliability Platform)

Affirm · Remote US · Remote

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About Affirm

Buy now pay later without the fees. Flexible payment options with longer plans, lower payments, and no fees. Pay in 4 interest-free or get more time and see your total cost upfront. Backed by Battery, Khosla and Lightspeed.

About the role

We’re looking for a Software Engineer to design and build a next-generation reliability platform for Affirm’s production systems. You’ll blend traditional distributed systems engineering with AI-assisted development to give teams a single place to understand, debug, and improve the health of their services.

What they're looking for

  • Health coverage at no cost: We cover 100% of premiums for employees and their dependents
  • Spending stipends: Monthly stipends support your tech setup, and the ability to choose health and wellness options that are right for you
  • Time off to recharge: Flexible time off and generous holiday calendars help you rest when you need to
  • Own a piece of what you build: Our employee stock purchase plan (ESPP) lets you buy Affirm stock at a discount
More about this role

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 is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.

We’re looking for a Software Engineer to design and build a next-generation reliability platform for Affirm’s production systems. You’ll blend traditional distributed systems engineering with AI-assisted development to give teams a single place to understand, debug, and improve the health of their services.

This is a highly creative, hands-on role for someone who loves “vibe coding” — rapidly iterating, shipping, and refining with strong intuition— while still holding a very high bar for reliability, quality, and maintainability.

What You'll Do

· You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.

· You will support your peers and stakeholders in the product development...

Read the full posting on Affirm's site ↗

Infrastructure Platform Eng

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