CareerPlan

Field Data Scientist

Toronto, CanadaFull-timeCA$91k–CA$140k2026-09-25 → 2026-11-13

Core

Support sales, customer success, and product development by running proof of value tests, advising clients on fraud workflows, and designing ML solutions to maximize fraud detection and payment acceptance.

Role type

Field Data Scientist (pre-sales and customer success)

Builds

Fraud detection models, risk decisioning systems, and proof of value demonstrations for Mastercard Identity products

Domain

Payments / Identity Verification / Fraud Risk

Deliverable

production ML models

Required skills

Python, SQL, supervised machine learning, customer needs analysis, technical specification design, stakeholder management

Preferred skills

Data science project management, cross-functional collaboration

Technologies

Python, SQL

Responsibilities

Run proof of value (POV) tests for sales teams, design ML models for fraud detection, advise customers on leveraging Identity data, nurture relationships with customer data scientists, analyze data features for product recommendations, QA customer API integrations, assist with internal training, attend product spec reviews

Seniority

Mid-level, hands-on IC