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Mastercard

Lead Data Scientist

Mastercard

Published 14 May 2026
London, UK
Full Time

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Role Highlights

Languages used

Python

Key skills

Neural networks
Machine Learning
Data Science
Product Design
Financial Services
Data Structures
UI UX
Information Security
Research
Operations
Streaming
Graph
Browser
Server
Microservices

Tools, Libraries and Frameworks

Kafka
Tensorflow
Scikit-learn

Description

The role involves building and delivering products and services that utilize payments data to identify and prevent financial crime. The individual will perform proof-of-concept projects, engage in product design, and develop prototypes. They will conduct research to understand criminal behaviors and translate derived insights into new products and services. The position requires collaboration with engineering, operations, sales, consulting, and product teams. Additionally, the role involves writing white papers, patents, and client-facing data visualizations while considering privacy, security, and regulatory impacts.

Required Qualifications and Skills

The role requires a high standard of proficiency in Python and familiarity with standard data science libraries. Candidates must demonstrate the ability to develop new algorithms in novel situations and possess an interest in modeling behaviors within payments data. Strong communication skills are necessary to explain technical matters to non-technical colleagues. The position also requires a pragmatic approach to problem-solving and a willingness to engage in collaborative code reviews.

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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