Senior Fraud Data Scientist

About the role

The Fraud Operations team at Gemini is dedicated to safeguarding our users against fraud. We operate at scale to ensure a seamless user experience while maintaining the integrity of our digital asset marketplace. Our team combines expertise in technology, law, risk, data, and operations to protect users and disrupt fraud. We collaborate closely with product, engineering, operations, and compliance teams to manage risk effectively and support sustainable business growth.

Responsibilities

• Design and lead the development of end-to-end fraud prevention and detection strategies, including procedures, fraud rules, and controls.
• Conduct sophisticated data analysis on large datasets (structured and unstructured) to identify emerging fraud trends, patterns, and potential risks.
• Continuously monitor fraud prevention system performance, measure key risk metrics, and implement data-driven enhancements to improve accuracy and reduce false positives.
• Partner with data science, risk operations, product, engineering, and customer support teams to integrate fraud prevention into products and services.
• Oversee initiatives aimed at advancing fraud detection systems and optimizing operational processes.
• Develop and deliver clear, actionable reports and insights for leadership and stakeholders, highlighting fraud risk exposure and the effectiveness of strategies and controls.

Qualifications

• 5+ years in fraud strategy, program management, or related risk management roles.
• Advanced analytical skills with proficiency in SQL, Python, Looker, and other data analysis and visualization tools.
• Hands-on experience with fraud detection and monitoring platforms, with the ability to analyze data and identify emerging fraud patterns.
• Strong verbal, written, and interpersonal skills with the ability to convey complex ideas clearly to both technical and non-technical audiences.
• Track record of working effectively across cross-functional teams (e.g., product, engineering, operations, compliance) to achieve shared goals.
• Comfortable making sound decisions in ambiguous or rapidly changing environments; skilled at using data to drive informed choices.
• Strong critical-thinking skills with the ability to stay composed under pressure and resolve complex issues.
• Experience leading and executing projects spanning multiple teams, balancing priorities and driving results.
• Strong expertise in detecting and mitigating fraud risk, including account takeover, synthetic identity, distributed attacks, payment fraud, and collusion.
• Proven experience addressing and preventing fraud in digital channels and card-not-present environments.
• In-depth knowledge of ACH risks, including reversal flows and related vulnerabilities.
• Background working in fast-paced, high-growth environments, ideally within fintech or other technology-driven industries.
• Comprehensive understanding of scam, phishing, and social engineering threats with experience implementing effective mitigation strategies.
• Proven ability to thrive in fast-paced, technology-driven environments and adapt quickly to change.
• Familiarity with financial markets, banking, or digital asset exchanges.