Lead Data Scientist
Mastercard
Vancouver, Toronto
Workplace: HybridFull timeCAD 127,000 - 203,000 annuallyFunction: Data Science & Machine LearningEducation: bachelorsSkills: ["Communication","Stakeholder influence","Problem-solving","Critical thinking","Leadership"]Design, build, and monitor production-ready machine learning and statistical models for merchant risk, fraud detection, merchant credit risk, and Anti-Money Laundering. Lead the full model lifecycle—feature engineering through deployment, performance monitoring, and interpretability—while partnering with product, engineering, QA, and business stakeholders. Drive end-to-end data science initiatives using large-scale transaction data, balancing hands-on development with cross-functional leadership in a lean, hybrid environment.

