Backend Software Engineer (Decisions Orchestration)

Affirm

New York, United States Posted October 10, 2026

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Remote Full-time Mid level
Salary Range

$146,000 - $225,000

Job Description

Join Affirm, a leading financial services brand focused on providing a clear and predictable way to pay over time. As a Backend Software Engineer, you will play a crucial role in designing and implementing the next generation of Affirm's Checkout Platform. You will work in a fast-paced team environment, building financial products and features that enhance accessibility and flexibility for users. Your technical skills will be utilized to improve the performance and reliability of the systems that drive the user journey.

  • Design and implement new APIs and microservice interfaces to manage user transactions with Affirm.
  • Collaborate with engineers within the team and across the organization to build the next generation of the checkout platform.
  • Actively own components of checkout systems and define their long-term health, while also improving the health of surrounding systems.
  • Customer-centric mentality. You are empathetic to the user experience and thoughtful about what we can do to make it better
  • Build Teams. You grow with engineers around you through sharing your learnings and providing feedback to your peers that will help the team grow
  • Take Ownership. You enjoy working with product and engineering leaders to develop detailed project definitions, and drive technical decisions within your team
  • Collaborate. You communicate clearly both verbally and in writing. If anything, you trend towards over-communication
  • This position requires either equivalent practical experience or a Bachelor’s degree in a related field
  • Execute. You have a proven track record of developing, testing, and shipping high-quality software at scale
Required Skills
software development accessibility microservices collaboration UX communication testing
How to apply

You apply on Affirm’s own careers site. No account needed.

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