Senior Backend Engineer — Test Platforms (Remote)
Summary
Senior backend engineer building test platforms for synthetic identities, test data seeding, and deterministic validation workflows to speed up CI and AI-assisted development.
Affirm is seeking a Senior Software Engineer, Backend (Test Enablers) to join the Test Platform Engineering team. The role focuses on building platforms for synthetic identities, test data seeding, mocking, and deterministic validation workflows, enabling faster, safer validation and scalable CI signals.
As part of our remote Spain team, you will mentor engineers, lead medium-to-large projects, and help scale our testing infrastructure to support AI-assisted development while maintaining