Senior Fraud Data Scientist, Credit Card — Remote

Sierra Ventures; Miami (FL); Hybrid; USD 116,000 - 155,000; Full time

Benefits offered by this job

Health insurance

401(k) with company matching

Paid parental leave

Flexible time off

Job summary

Gemini is seeking a Senior Fraud Data Scientist (Credit Card) to strengthen fraud prevention and risk controls across its crypto platform. You will design and implement rules, monitor risk exposure, and lead cross-functional initiatives with product, engineering, and compliance teams.

Strong SQL/Python skills and fraud-monitoring experience are essential. You will work in a fast-paced environment with on-call rotations, contributing to secure, scalable solutions while balancing customer

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 communication and collaboration across cross-functional teams to drive risk-informed decisions.

Responsibilities

• Design and lead end-to-end fraud prevention and detection strategies, including procedures, rules, and controls.
• Conduct sophisticated data analysis on large datasets to identify fraud trends, patterns, and risks.
• Monitor fraud prevention system performance, measure risk metrics, and implement data-driven enhancements.
• Partner with data science, risk operations, product, engineering, and customer support to integrate fraud prevention into products and services.
• Oversee initiatives to advance fraud detection systems and optimize processes.
• Develop and deliver clear, actionable reports on fraud risk exposure and controls to leadership.

Skills

Fraud strategy

Data analysis

SQL

Python

Looker

Cross-functional collaboration

Risk assessment

Tools

SQL

Python

Looker

Job description

Gemini is seeking a Senior Fraud Data Scientist (Credit Card) to strengthen fraud prevention and risk controls across its crypto platform. You will design and implement rules, monitor risk exposure, and lead cross-functional initiatives with product, engineering, and compliance teams.

Strong SQL/Python skills and fraud-monitoring experience are essential. You will work in a fast-paced environment with on-call rotations, contributing to secure, scalable solutions while balancing customer