Mastercard

Mastercard

Posted via Workday

Senior Data Scientist

Apply by Nov 9, 2026

Posted Oct 29, 2026

Role at a glance

Job function
AI & Data Data Science
Salary
Not Disclosed
Location
Dublin, Ireland
Employment
Full-time
Experience
Senior Level 5+ years experience in data science OR equivalent graduate coursework.
Education
Degree(s) in statistics, mathematics, computer science, engineering, or similar area preferred

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Role Summary

AI-generated

Senior Data Scientist on the Test & Learn team within Mastercard's Services team, focused on pioneering experimentation software and bringing sophisticated analytic techniques to businesses. The role centers on analytic research, applying new data science methods to top business challenges and translating them into novel products and scalable commercial solutions.

What You'll Do

  • Drive the research of new functionality within an analytics platform used by the world's largest organizations to make critical,...
  • Work cross-functionally with product management to understand and solve customer needs requiring novel analytic solutions
  • Work hand-in-hand with engineering teams to help guide the implementation of your analytic ideas into our products
  • Collaborate with leaders across the business unit to identify problems and drive innovative solutions.

Generated from the employer's posting. Verify important details before applying.

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Qualifications

Senior data scientist with 5+ years of data science experience or equivalent graduate coursework, skilled in applying machine learning and analytics to business problems.

Required

  • 5+ years experience in data science OR equivalent graduate coursework
  • Experience of applying machine learning, causal inference, and/or generative and agentic AI to real world problems
  • Strong technical aptitude and ability to understand complex technical concepts, coupled with strong business acumen to identify...
  • Experience applying innovative analytics to high volume datasets to influence business decisions
  • Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams and stakeholders.
  • Exceptional project management and problem-solving ability, with a focus on setting ambitious and achievable goals, managing timelines...
  • Enthusiastic about opportunities to collaborate with and mentor teammates to foster a supportive and growth-oriented team culture.

Preferred

  • Degree(s) in statistics, mathematics, computer science, engineering, or similar area

Original job description

Content provided by the employer

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re 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

Senior Data Scientist

Senior Data Scientist, Test and Learn

Overview

The Services team is a key differentiator for Mastercard, providing cutting-edge products and services that help our customers. Focused on thinking big and scaling quickly around the globe, this agile team is responsible for end-to-end solutions for a diverse global customer base including issuers, acquirers, and merchants. Centered on data-driven technologies and innovation, these services include payments-focused consulting, loyalty and marketing programs, business experimentation and optimization (Test & Learn), and data-driven information and risk management services.

Test & Learn

As a member of the Test & Learn team, you will pioneer industry-leading experimentation software which brings sophisticated analytic techniques to businesses and users around the world. We are rapidly building new products, improving existing products, and expanding the ways we deliver Test & Learn to our clients. We are looking for innovators who can execute and evolve our analytic strategy, tackling the big challenges of the future. This role will focus on analytic research; pushing the boundaries for our analytics by finding ways to apply new data science methods to top business challenges and translating it into novel products, and scalable commercial solutions.

Position Responsibilities

Drive the research of new functionality within an analytics platform used by the world's largest organizations to make critical, multi-million-dollar decisions.

Work cross-functionally with product management to understand and solve customer needs requiring novel analytic solutions

Work hand-in-hand with engineering teams to help guide the implementation of your analytic ideas into our products

Collaborate with leaders across the business unit to identify problems and drive innovative solutions.

All About You

5+ years experience in data science OR equivalent graduate coursework.

Experience of applying machine learning, causal inference, and/or generative and agentic AI to real world problems.

Strong technical aptitude and ability to understand complex technical concepts, coupled with strong business acumen to identify applications of technology to solve commercial questions

Experience applying innovative analytics to high volume datasets to influence business decisions

Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams and stakeholders.

Exceptional project management and problem-solving ability, with a focus on setting ambitious and achievable goals, managing timelines across multiple workstreams, and prioritizing risk/benefit tradeoffs.

Enthusiastic about opportunities to collaborate with and mentor teammates to foster a supportive and growth-oriented team culture.

Degree(s) in statistics, mathematics, computer science, engineering, or similar area preferred

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 Mastercard’s 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 Mastercard’s guidelines.




Mastercard

About the company

Mastercard

Large Enterprise

Mastercard is a global technology company in the payments industry, committed to empowering individuals and businesses through secure and efficient payment solutions. With a presence in over 210 countries, Mastercard connects consumers, financial institutions, merchants, and governments, enabling seamless transactions across various platforms. The company is at the forefront of innovation, focusing on enhancing financial inclusion and expanding access to digital payment technologies. Through its advanced network and partnerships, Mastercard continues to revolutionize the way people engage in commerce worldwide.