Fraud Engineer (Scam Hunter)

About us Ether.fi is one of the largest crypto companies in the world, with over $10B in assets under management and a team of ~30, almost entirely technical staff. We’ve been profitable since day one and are focused on building real consumer financial applications. We believe the future of finance is true on-chain banking . Our products — Stake, Liquid, and Cash — let users earn yield through DeFi strategies and spend their assets globally through our credit card program. You can view our growth publicly on Dune. As we scale our financial products, maintaining world-class fraud/risk defense is core to protecting our users and the long-term health of our card program. Position overview We’re hiring a technical Fraud Engineer with a natural white-hat hacker / scam hunter mindset. You enojy spotting anomalous patterns, reverse-engineering attack campaigns, and building systems that stay one step ahead of sophisticated fraudsters. This is a high-ownership, hands-on role where you will own the full fraud stack for ether.fi's campaigns, credit card program, fund flows while working extremely closely with our Engineering/CX teams. What you’ll do Own, design and build real-time fraud monitoring, alerting, and automated mitigation systems Hunt emerging threats: cashback farming, card testing, merchant abuse, friendly fraud, money laundry and malicious behavior inside the Ether.fi ecosystem Develop and tune advanced fraud rules, behavioral signals, and scoring logic Build internal tools, dashboards, and scripts that make the team dramatically more effective Define fraud strategy and operational playbooks that scale with the business Active communication with cross-teams and with external business partners to mitigate the fraud risks What we are looking for Strong hacker/white-hat mindset : you get genuinely excited about weird patterns, scam tactics, and outsmarting attackers Exceptional ability to find hidden signals in noisy transaction and behavioral data Hands-on programming skills and experience building tools or detection systems High ownership, low-ego, and ability to drive results in an ambiguous, fast-moving environment Plus if you have Worked at a fintech, neobank, or issuer processor Exposure to web3/crypto-related fraud patterns Exposure to consumer fraud patterns Built or scaled early-stage fraud operations teams Knowledge of card/payment fraud mechanics (card testing, BIN attacks, friendly fraud, merchant collusion, etc.) Perks and benefits Competitive salary, performance-based incentives, and token allocation grant Opportunity to own fraud defense for multi-billion dollar products Health, dental, and vision insurance Global team with opportunities for travel across our 3 offices 4 weeks work-from-anywhere Company events and team-building off-sites

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