Want to professionalize your AI skills, pivot to an AI role and increase your salary?
Master AI Engineering with the most practical and comprehensive LLM Development certifications at Towards AI Academy.

Mastercard

Senior Data Scientist

Mastercard

Published 21 Jan 2026
New York, NY, USA
115K - 221K USD Annual
Part Time
Full Time

Share this job

Role Highlights

Languages used

Python
R

Key skills

AI
Machine Learning
Data Science
Big Data
NLP
Data Mining
Prompt Engineering
Anomaly Detection
Supervised Learning
Unsupervised Learning
Written Communication
Data Visualization
Information Security
Operations
Deployment
Mathematics
Statistics
BERT

Tools, Libraries and Frameworks

MySQL
Hadoop
Tensorflow
Scikit-learn
NumPy
Scipy
Pandas
Keras
NLTK
Gensim

Description

\\\\Our Purpose\\\\ \Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were 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 Job Title: Senior Data Scientist Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview The Foundational AI team is looking for a Data Scientist who is passionate about applying concepts from Machine Learning and Artificial Intelligence problems in a business setting. The person in this role will be joining a team of leading-edge data scientists who are not just building models but are working to solve foundational business problems for the Company. The ideal candidate is comfortable working with Big data sources and able to implement and validate predictive models to provide insights and solutions for different business problems. The person in this role will be responsible for data interpretation and presentation to aid business partners in making informed data-driven decisions to improve business outcomes. The right candidate is able to collaborate with other data scientists and various internal business partners to help solve business problems using advanced ML/AI. The person in this role must be organized and follow best practices in coding and documentation. Responsibilities: Design, develop, and deliver innovative ML/AI solutions for various data science projects. Be responsible for documenting and articulating various data science projects across the organization following our engagement model, the Cross-Industry Standard Process for Data Mining (CRISP-DM). Gain a clear understanding of business operations and data needed to solve problem statements for specific projects. Pull and prepare data, train and test models, and be responsible for overall execution on projects using Mastercard operational and transaction data to glean insights for our partners. Present your approach to the solution and model output to various business partners. Maintain a current knowledge of advanced ML/AI tools and techniques. Work with different product teams and be an integral part of model deployment. Need to build and maintain strong relationships with internal Mastercard partners. About You Having a passion for problem-solving using mathematics, statistics, machine learning, and artificial intelligence. Ability to quickly pick up new tools and technologies. Excellent oral and written communication skills. Proficiency in Python/R, Hadoop, Spark, MySQL with documentation for reproducibility. Experience in anomaly detection, supervised/ unsupervised learning, time-series data, and natural language processing. Hands-on experience with Python packages such as Gudhi, Numpy, SciPy, Pandas, Scikit-learn, Tensorflow, Keras, NLTK, Gensim, BERT, NetworkX, etc. Excellent organization and interpersonal skills. Very detail-oriented with an ability to think creatively. Strong problem-solving skills and ability to think creatively with data. Self-motivated and capable of working independently but with a collaborative nature. Proficient with data visualization and translating complex problems into actionable insights. \\#AI1 Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable\\ and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. \\\\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 Mastercards 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 Mastercards guidelines. In line with Mastercards total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. \\\\Pay Ranges\\\\ O'Fallon, Missouri: $115,000 - $184,000 USD New York City, New York: $138,000 - $221,000 USD Purchase, New York: $132,000 - $212,000 USD

Required Qualifications and Skills

The role requires a passion for problem-solving using mathematics, statistics, machine learning, and artificial intelligence. Proficiency in Python, R, Hadoop, Spark, and MySQL is necessary, along with experience in anomaly detection, supervised/unsupervised learning, time-series data, and natural language processing. Hands-on experience with Python packages such as Gudhi, Numpy, SciPy, Pandas, Scikit-learn, Tensorflow, Keras, NLTK, Gensim, BERT, and NetworkX is also required. The candidate must possess excellent organization, interpersonal, and problem-solving skills, with the ability to think creatively with data and translate complex problems into actionable insights.

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.

Share

Share this job

Related jobs

Data Governance
Data Modelling
Data Factory
CICD
Dublin, Ireland
Temporary
Data Engineer
Deep Learning
Data Analysis
Feature Engineering
Pune, India
Full Time
Mastercard

Data Scientist

Mastercard

Scikit-learn
Data Engineer
Data Analysis
Big Data
San Francisco, CA, USA
Part Time
Full Time