# Senior Software Engineer, Backend (Partner Merchant Interface) at Affirm

- Company: Affirm
- What the company does: 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.
- Company website: http://www.affirm.com/
- Type: Startups
- Level: Principal and up
- Location: Remote US
- Work setup: Remote
- Pay: $195K to $255K base salary per year (USD)
- Posted: 2026-09-09
- Apply by: 2026-10-24
- Apply: https://job-boards.greenhouse.io/affirm/jobs/7832324003
- Page: https://www.1752.vc/careers/jobs/affirm-senior-software-engineer-backend-partner-merchant-interface/

## About the role

The Partner Merchant Interfaces - Integration team within Decisions Foundations is growing and we are looking for a Software Engineer. You will be part of a fast paced team which is responsible for the APIs that Partners and Merchants use to integrate with Affirm, and also power some of our top partners like Amazon and Stripe. · With the support of your team, you will work on tasks that contribute to the team's projects and goals.

## 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

Tags: Checkout