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Senior Software Engineer, Backend (Merchant Data Platform EU)

Affirm

, , spain, , , spain, Spain Full-time June 05, 2026

Found Description

Senior Software Engineer, Backend (Merchant Data Platform EU)

Remote Spain

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 Merchant Data Platform is a backend, foundational service at  Affirm. We are responsible for merchant data and identity across all merchant touchpoints. Our checkout‑critical platform serves millions of requests per day, supports the onboarding of merchants across all onboarding touchpoints, and maintains strict availability and latency SLAs given the criticality of the service. Further, the team maintains sophisticated pipelines that enrich our datasets for the purposes of merchant identification, risk analysis, and fraud detection.

We’re looking for a Senior Software Engineer to join our fully remote team based in Europe.

What You’ll Do

  • You will be responsible for owning an...

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