Senior Data Scientist, Test & Learn — Innovation & Impact

Mastercard Inc.; Dundrum; On-site; EUR 90,000 - 120,000; Full time

Job summary

Mastercard is seeking a Senior Data Scientist to join the Test & Learn team, driving analytics research and deployment of innovative data-science methods in real-world business challenges. You will shape experimental strategies, partner with product and engineering, and mentor teammates to foster growth.

You will apply advanced ML, causal inference, and AI techniques to high-volume datasets, translating insights into scalable products and commercial solutions for global clients.

Qualifications

• 5+ years experience in data science or equivalent graduate coursework.
• Experience applying machine learning, causal inference, and/or generative and agentic AI to real world problems.
• Strong technical aptitude and 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 collaborate with cross-functional teams
• Exceptional project management and problem-solving ability, with a focus on timelines and risk/benefit tradeoffs
• Degree(s) in statistics, mathematics, computer science, engineering, or similar area preferred

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.

Skills

5+ years data science

ML applications

causal inference

generative AI

analytical mindset

communication skills

project management

team collaboration

Education

Degree in statistics/mathematics/CS/engineering

Job description

Mastercard is seeking a Senior Data Scientist to join the Test & Learn team, driving analytics research and deployment of innovative data-science methods in real-world business challenges. You will shape experimental strategies, partner with product and engineering, and mentor teammates to foster growth.

You will apply advanced ML, causal inference, and AI techniques to high-volume datasets, translating insights into scalable products and commercial solutions for global clients.