Skip to content
Updated How AI-exposed are the skills employers are hiring for? See the data →

From the employer's careers site First seen 1 Nov 2026

Lead Data Scientist

Mastercard Toronto senior full-time

Salary

$127,000 - $203,000 CAD per year

Apply on Mastercard

Description

Mastercard's Cyber and Intelligence Solutions team is seeking a Lead Data Scientist to help develop and deliver actionable insights and products to reduce fraud for issuers, acquirers, and merchants.

The successful candidate will be a key player in extracting value from existing data sources to better understand, detect, and prevent fraud. Responsibilities include:

  • Analyzing worldwide fraud data to gain insights regarding fraud
  • Applying modeling techniques to identify and understand fraud to protect the Mastercard payment network
  • Building and managing new fraud-related products and services that provide value to customers and increase revenue

Requirements:

  • Proven experience working with stakeholders to deliver state-of-the-art solutions
  • Record of accomplishment in learning and applying new techniques and data analysis languages
  • Experience writing complex queries to efficiently extract and manipulate large amounts of data
  • Experience with Python and Spark for data manipulation
  • Hands-on experience designing, building, or deploying agentic AI systems is strongly preferred
  • Excellent inter-personal skills, able to work with colleagues remotely and in-person
  • Degree in a quantitative discipline preferred

In line with Mastercard's total compensation philosophy, the successful candidate will be offered a competitive pay based on location, experience, and other qualifications for the role.

Skills

Required

Nice to have

  • agentic AI systems
  • UNIX

Ready to apply?

You apply with the employer directly. Their original posting is here: https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/Toronto-Canada/Lead-Data-Scientist_R-288141

Apply on Mastercard