Full-time

Senior Software Engineer, Backend (Decisions and Pricing Foundations)

Posted by Affirm • Hamilton, ON, Canada

📍 Hamilton, ON 🕒 February 23, 2026

About the Role

Senior Software Engineer, Backend (Decisions and Pricing Foundations)

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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.

The Decisions and Pricing Foundations team owns the foundational aspect of the Underwriting Engine. We architect, modernize, and optimize Affirms Underwriting capabilities to serve an ever increasing number of consumers and merchants while maintaining high availability and excellent economics.

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 ...

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