Full-time

Senior Data Scientist - Financial Crime & Fraud

Posted by MasterCard • toronto, on, Canada

📍 toronto, on 🕒 June 27, 2026

About the Role

Mastercard seeks a Senior Data Scientist in Financial Crime and Fraud. This hybrid position in Toronto focuses on the creation and optimization of critical machine learning models for financial security.
In this lead role, you’ll be responsible for managing the end-to-end lifecycle of AML models targeting transaction anomalies. You will partner with various stakeholders to ensure effective implementation, analyze extensive payment data for insights, and enhance compliance with industry regulations. This role requires strong analytical skills and the ability to work independently while driving innovation.
Key Responsibilities:
• Oversee AML model enhancements for transaction behavior
• Manage problem-solving from concept to production
• Collaborate on modeling techniques with senior leadership
• Analyze large datasets to detect illicit activities
• Ensure effective deployment with Engineering and Product teams
Requirements:
• Expertise in Python and standard d...

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