# Lead Data Scientist

**Company**: Mastercard
**Location**: Toronto
**Experience**: senior
**Job type**: full-time
**Salary**: $127,000 - $203,000 CAD
**Category**: Data Science
**Industry**: Finance

**Apply**: https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/Toronto-Canada/Lead-Data-Scientist_R-288141?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_476778f1-2e8

## 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
- Python
- Spark
- data analysis
- fraud detection

### Nice to have
- agentic AI systems
- UNIX

---

Source: [Apply at mastercard.wd1.myworkdayjobs.com](https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/Toronto-Canada/Lead-Data-Scientist_R-288141?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)