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 Data Engineer II Overview: Mastercard’s Enterprise Credit Risk (ECR) team is seeking a Data Engineer II to design, build, and maintain data platforms and products that support credit decisioning, risk analytics, regulatory reporting, and machine learning initiatives. In this role, you will work with large and complex datasets to develop scalable, reliable, and high-quality data solutions. You will collaborate with engineers, data scientists, risk analytics, and product partners to translate business needs into effective data products and pipelines. This is an opportunity for an engineer to deepen their data engineering expertise while contributing to modern cloud-based platforms and ECR's ongoing data modernization efforts. This is a hybrid role based in O’Fallon, MO, requiring three days per week onsite. Role: • Design, develop, test, and maintain scalable data pipelines, transformations, and datasets supporting ECR products and initiatives. • Build and optimize ETL/ELT workflows using technologies such as SQL, Python, Databricks, and Spark. • Develop and maintain curated data products that support reporting, analytics, credit decisioning, and other business use cases. • Partner with Product, Risk Analytics, Data Science, and Engineering teams to understand requirements and translate them into effective technical solutions. • Implement data validation, testing, and quality controls to ensure data accuracy, consistency, and reliability. • Support the deployment, monitoring, and ongoing operation of production data pipelines and workflows. • Investigate and troubleshoot data and pipeline issues, contributing to root cause analysis and resolution. • Participate in code reviews and follow established engineering standards, best practices, and development processes. • Contribute to the modernization of data platforms, including cloud migration and adoption of modern data engineering technologies. • Document data solutions, pipelines, data flows, and operational processes. • Identify opportunities to improve the performance, reliability, scalability, and efficiency of data solutions. All About You: • Experience as a Data Engineer or in a similar technical role, with a solid understanding of core data engineering concepts, methodologies, and best practices. • Experience designing, building, and maintaining ETL/ELT pipelines and data transformations. • Strong SQL skills, including the ability to write and optimize queries to retrieve, transform, and analyze large datasets efficiently. • Experience with Python or another programming language used for data processing and automation. • Experience working with relational databases, including Postgress, and an understanding of data modeling and database design. • Familiarity with cloud-based data platforms and modern data engineering technologies. • Familiarity with distributed data processing technologies such as Databricks, Apache Spark, or comparable platforms. • Understanding of data testing, validation, and quality practices to ensure accuracy and consistency across data pipelines. • Strong analytical and problem-solving skills, with the ability to troubleshoot complex data issues and develop effective solutions. • Ability to manage multiple tasks and priorities while working effectively in a fast-paced environment. • Ability to work independently while collaborating effectively across cross-functional and Agile teams. • A continuous improvement mindset, with the ability to think critically, innovate, and identify opportunities to enhance data solutions. • Strong verbal and written communication skills, with the ability to clearly communicate technical concepts to both technical and non-technical stakeholders. • Bachelor’s degree in Computer Science, Engineering, Information Systems, or a related STEM discipline. Equivalent practical experience will also be considered. 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_accommodation@mastercard.com 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 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. In line with Mastercard’s 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.

THIS POSTING RELECTS ONE OR MORE CURRENT VACANCIES ON OUR TEAM, AND MASTERCARD INTENDS TO FILL THIS POSITION BY 11/29/2026. If the fill date has passed, Mastercard intends to fill this position as soon as possible.

 Pay Ranges O'Fallon, Missouri: $92,000 - $147,000 USD