Senior Data Scientist, Test & Learn Analytics

Mastercard Inc.; Malahide; On-site; EUR 90,000 - 130,000; Full time

Job summary

Mastercard Inc. is seeking a Senior Data Scientist for the Test and Learn team.

You will lead analytics research, apply advanced data science methods, and translate insights into scalable products for issuers, acquirers, and merchants worldwide. You will collaborate with product, engineering, and business units to solve complex problems, accelerate experimentation, and drive data-driven decision making across high-volume datasets.

Qualifications

• 5+ years of data science experience.
• Experience applying ML, causal inference, or generative AI to real problems.
• Strong technical aptitude with ability to understand complex concepts and business context.
• Excellent communication and collaboration across cross-functional teams.
• Mentoring and guiding teammates to foster growth.

Responsibilities

• Drive research of new functionality within an analytics platform used by global organizations.
• Collaborate with product management to understand and solve customer needs with analytic solutions.
• Work with engineering teams to implement analytic ideas into products.
• Identify problems and drive innovative data-driven solutions.

Skills

Data science

Machine learning

Causal inference

Generative AI

Education

Statistics/Math/CS/Engineering degree

Job description

Mastercard Inc. is seeking a Senior Data Scientist for the Test and Learn team.

You will lead analytics research, apply advanced data science methods, and translate insights into scalable products for issuers, acquirers, and merchants worldwide. You will collaborate with product, engineering, and business units to solve complex problems, accelerate experimentation, and drive data-driven decision making across high-volume datasets.