Senior Data Scientist

About Mastercard

Mastercard operates in over 200 countries and territories worldwide, driving economic growth and empowering people. The company supports a variety of digital payment methods to make transactions secure, simple, efficient, and accessible. Through its technology, innovation, partnerships, and networks, Mastercard delivers unique products and services that enable individuals, businesses, and governments to reach their full potential.

Role Summary

The Senior Data Scientist in the Test & Learn team contributes to a key business unit that delivers advanced products and services globally, targeting issuers, acquirers, and merchants. The team develops data-driven solutions such as consulting on payments, marketing and loyalty programs, business experimentation and optimization, and risk management.

Position Responsibilities

• Lead research to develop new features for an analytics platform used by major global organizations to support multi-million-dollar business decisions.
• Collaborate closely with product management to address customer challenges through innovative analytic solutions.
• Partner with engineering teams to operationalize analytic concepts into scalable product features.
• Engage with business unit leaders to identify key problems and develop creative solutions.

Candidate Profile

• At least five years’ experience in data science or equivalent advanced academic coursework.
• Proven experience applying machine learning, causal inference, or generative and agentic AI techniques to practical problems.
• Strong technical skills with the ability to grasp complex concepts and apply them in a business context to solve commercial challenges.
• Experience working with large datasets and using innovative analytics to influence business decisions.
• Excellent interpersonal and communication skills to collaborate effectively across teams and stakeholders.
• Strong project management and problem-solving skills, including goal setting, timeline management across multiple projects, and balancing risks and benefits.
• Passion for mentoring colleagues and fostering a collaborative and growth-focused team environment.
• Preferred degrees include statistics, mathematics, computer science, engineering, or related fields.

Corporate Security Responsibilities

• Comply with Mastercard's information security policies and procedures.
• Protect the confidentiality and integrity of accessed information.
• Report any suspected security breaches promptly.
• Complete all mandatory security training in line with corporate requirements.