Senior Software Engineer, Back-end (Fraud)
Affirm
Spain
Workplace: RemoteFull timeEUR 86,000 - 122,000 annuallyFunction: Software EngineeringExperience: 5+ yearsSkills: ["Communication","Ownership","Mentorship","Learning mindset","Quality focus"]Build and evolve real-time fraud decisioning services and APIs, extending a fraud decisioning system into markets beyond the US. Own quarterly goals for an engineering team, lead through ambiguity, and help scale fraud protection internationally. Integrate region-specific risk vendors, operationalize ML/AI signals, and support production availability through metrics, escalation, and on-call rotation. Partner across Product, Compliance, ML, Analytics, and Fraud Strategy.

