Fraud Engineer

Ether.fi•New York, NY

3d•Remote

About The Position

Ether.fi is seeking a Fraud Engineer with a natural scam hunter mindset to join their team. The role involves spotting anomalous patterns, reverse-engineering attack campaigns, and building systems to stay ahead of sophisticated fraudsters. This is a high-ownership role where the individual will be responsible for the full fraud stack for ether.fi's campaigns, credit card program, and fund flows, working closely with Engineering, CX, and compliance teams. Experience with coding, or willingness to learn with AI agents, is welcomed.

Requirements

Genuine excitement about weird patterns, scam tactics, and outsmarting attackers
Exceptional ability to find hidden signals in noisy transaction and behavioral data
High ownership, low-ego, and ability to drive results in an ambiguous, fast-moving environment

Nice To Haves

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.)

Responsibilities

Own 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
Work on 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