Fraud Engineer (Scam Hunter)
Builds real-time fraud monitoring, alerting, and mitigation systems for crypto financial products. Hunts scams, tunes detection rules, and develops tools to combat threats like card testing and money laundering in a high-ownership role.
About the job
Responsibilities
- 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
Requirements
- 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
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.)
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
Skills
Python, JavaScript, SQL, Data Analysis, Fraud Detection, Real-Time Monitoring, Alerting Systems, Dashboards, Behavioral Analysis, Transaction Monitoring, Crypto Fraud, Payment Fraud, Bin Attacks, Web3, Defi
Similar jobs
Security Engineering jobs
Fluidstack
New York, NYThe Security Engineer will track advanced adversaries targeting frontier AI infrastructure, build intelligence pipelines, conduct threat hunts, and create production detections. The role requires hands-on malware and infrastructure analysis, production programming, and close collaboration with detection and incident response teams.
Figma
San Francisco, CASecurity Scientist analyzing attacker and user behavior, building data-driven detections, and leading security investigations and design reviews. Requires strong security and anti-abuse knowledge, SQL fluency, scripting proficiency, and experience with distributed data systems and statistical methods.
hud
San Francisco, CA
Own and build the company’s security program as its first full-time security hire, covering product, cloud, infrastructure, incident response, compliance, and customer trust. The role requires hands-on security engineering and incident leadership, with experience operating SOC 2 or comparable frameworks.
Stripe
United States
Conduct proactive threat hunting and adversary simulation to uncover financial fraud tactics, enrich threat intelligence, and improve platform controls. The role requires at least five years of relevant cybersecurity, abuse, or trust experience plus strong Python, SQL, investigative, and data-analysis skills.
Anthropic
San Francisco, CAConduct offensive security operations, red-team engagements, penetration testing, and adversarial simulations across cloud, endpoint, and bare-metal environments. The role requires at least five years of experience, strong engineering skills, and expertise across multiple security domains.