Senior Fraud And Risk Engineer (Fintech)

TL;DR

Senior Fraud & Risk Engineer (Fintech): Owns and builds the risk infrastructure that powers the payments platform with an accent on designing, implementing, and scaling fraud detection systems across a diverse and growing portfolio of merchants. Focus on driving measurable improvements in fraud performance, integrating best-in-class tools, and partnering with risk operations to translate real-world fraud patterns into automated systems.

Location: Preference on a colleague who can work hybrid in our NYC office.

Company

hirify.global is building the universal payment layer to unify all currencies—fiat and crypto—so businesses and consumers can transact seamlessly.

What you will do

• Own and evolve hirify.global’s fraud risk engine, integrating Sift ML scoring and Sardine rules across all merchant categories.
• Design and maintain a scalable rules architecture, including category-level defaults, merchant-specific overrides, velocity checks, and blocklists.
• Continuously tune thresholds and features across merchant segments to optimize approval rates and minimize fraud.
• Build feedback loops between manual review decisions, chargeback data, and model retraining to improve detection accuracy.
• Partner closely with risk operations to translate real-world fraud patterns into automated rules and systems.
• Lead onboarding of new merchants into the risk stack, solving cold-start challenges and calibrating risk for new verticals.

Requirements

• 6+ years of experience in fraud/risk engineering in fintech, payments, or related technology environments.
• Proven experience working with or integrating fraud detection platforms (e.g., Sift, Sardine, Forter, Feedzai, Kount).
• Experience supporting multi-merchant or marketplace environments with complex risk needs.
• Strong understanding of payments infrastructure, transaction flows, and fraud vectors.
• Familiarity with PCI compliance, 3DS, and PSP-level risk tooling is a plus.

Culture & Benefits

• Fast-paced and dynamic environment that moves quickly and adapts to capture opportunities.
• Values ownership, initiative, and creativity with a builder’s mindset.
• Collaborative environment where risk, product, and engineering operate as one unified team.
• Competitive salary + equity.
• 21 days PTO.
• Flexible benefits: annual medical allowance, productivity allowance, gym/well-being subsidy.