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Mastercard

Lead Field Data Scientist

Mastercard

Published 10 Jan 2026
Toronto, Canada
127K - 203K CAD Annual
Full Time

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Role Highlights

Languages used

Python
SQL

Key skills

Machine Learning
Data Science
Prompt Engineering
Integrations
Product Development
Project Management
Customer Success
SME
Information Security
QA
API
Modelling
Statistics
Scripting
Cloud
CAD

Tools, Libraries and Frameworks

Description

\\\\Our Purpose\\\\ \Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.\\ \\\\Title and Summary\\\\ Lead Field Data Scientist Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview Services within Mastercard is responsible for acquiring, engaging, and retaining customers by managing fraud and risk, enhancing cybersecurity, and improving the digital payments experience. We provide value-added services and leverage expertise, data-driven insights, and execution. As a Lead Field Data Scientist within Mastercard Identity, a Services organization, you will have a diverse set of responsibilities supporting sales (pre-sales), customer success (post-sale), and product development, with the aim of supporting, growing, and developing a best-in-class product suite in the identity and payment verification industry. The role is focused on making sure potential prospects & clients see the best possible value from Mastercard Identitys data ecosystem through machine learning or rule-based systems. As a product implementation expert, you will advise customers how to best leverage Identitys data in their fraud workflows through proof of value tests. In addition, Field Data Scientists advise internal product stakeholders on opportunities for new product development and go to market strategies. Role As a Lead Field Data Scientist you will: Support the sales team to ensure Mastercard Identity can highlight the maximum benefit of its dataset through proof of value (POV) tests. Support development of machine learning and rules-based models to help our clients maximize fraud detection and false positive reduction, increase payment acceptance, and optimize their risk decisioning Understand customer business needs and workflows, using this knowledge to position Mastercard Identity products and design solutions using them. Proactively nurture & maintain one-on-one relationships with customer data scientists, with the aim of providing deep insights for development of fraud models. Acquire a deep knowledge of Mastercard Identity products and data, using this knowledge to act as subject matter expert for customers. Analyze Mastercard Identity data features and provide recommendations to our Product team to ensure that our products continually provide the best performing signals for our customers Work with customer IT and engineering resources to QA their integration of Identity API products and ensure the correct data is available for modeling. Assist with internal training on Identity products, data, and processes. Attend product spec reviews to bring customer facing perspectives and share feedback from the market. All About You Computer/Data Science or Engineering degree, or equivalent experience. Advanced experience in a machine learning or data analytics capacity. Extensive experience in a customer-facing or heavily cross-functional role with strong data science centric project management experience. Experience developing statistics based KPI's and communicating value to business stakeholders. Experience in understanding customer needs and using those to build design docs or technical specifications. Proven ability to establish credibility with technical leaders in customer organizations. Excellent scripting and analysis skills in python and SQL. Excellent presentation and communication skills. Experience leveraging cloud computing and analytics platforms Familiarity with basic software development frameworks and tools Ability to create and understand supervised machine learning models. Corporate Security Responsibility Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and therefore, it is expected that the successful candidate for this position must: Abide by Mastercards security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercards guidelines. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable\\ and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. \\\\Corporate Security Responsibility\\\\ All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: \\+ Abide by Mastercards security policies and practices; \\+ Ensure the confidentiality and integrity of the information being accessed; \\+ Report any suspected information security violation or breach, and \\+ Complete all periodic mandatory security trainings in accordance with Mastercards guidelines. In line with Mastercards total compensation philosophy and assuming that the job will be performed in Canada, the successful candidate will be offered a competitive pay based on location, experience and other qualifications for the role and may be eligible to participate in a discretionary annual incentive program.This posting reflects one or more current openings on our team. \\\\Pay Ranges\\\\ Toronto, Canada: $127,000 - $203,000 CAD

Required Qualifications and Skills

The role requires advanced experience in a machine learning or data analytics capacity. Extensive experience in a customer-facing or heavily cross-functional role with strong data science centric project management experience is necessary. Candidates should have experience developing statistics-based KPIs and communicating value to business stakeholders. Proficiency in understanding customer needs to build design documents or technical specifications is also required. The position necessitates excellent scripting and analysis skills in Python and SQL, along with experience leveraging cloud computing and analytics platforms. Familiarity with basic software development frameworks and tools is expected, as is the ability to create and understand supervised machine learning models. A Computer/Data Science or Engineering degree, or equivalent experience, is mentioned.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Mastercard

Size

38185

HQ

Purchase, US

Description

MasterCard is framed as a technology company in the global payments business, emphasizing its role in connecting various stakeholders worldwide and enabling the use of secure and convenient electronic forms of payment. It describes its mission as working to connect and power an inclusive digital economy that benefits everyone everywhere by ensuring transactions are safe, simple, smart, and accessible. The company culture is driven by a decency quotient (DQ), cultivating an inclusive environment that values individual strengths, views, and experiences. It leverages secure data, networks, partnerships, and a passion for innovation to support various entities, including individuals, financial institutions, governments, and businesses, in realizing their potential.

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