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Senior Data Engineer

Mastercard

toronto, on, Canada Full-time July 16, 2026

Opportunity Description

Title And Summary

Senior AI Engineer

Overview

The Security Solutions Data Science team is responsible for developing Artificial Intelligence (AI) and Machine Learning (ML) models that support Mastercard’s Identity and risk capabilities across digital transactions. These models are production-ready and designed to power key products and decisioning systems across Mastercard’s payment networks.

The team also leads the research and development of scalable data science systems spanning the full model lifecycle—from data acquisition and feature engineering, through experimentation and validation, to deployment and monitoring. These systems are built to operate at scale and are designed to be repeatable, resilient, and industrialized, supporting both current business needs and the exploration of emerging problem spaces.

Services within Mastercard is responsible for acquiring, engaging, and retaining customers by managing fraud and risk, enhan...

Full-time Other-General

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