Senior Principal Software Engineer

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

Senior Principal Software Engineer

Overview :

Mastercard’s Business & Market Insights (B&MI) is seeking a Senior Principal Software Engineer to lead the design and development of advanced software solutions for Operational Intelligence program group within B&MI. This role is pivotal in shaping the architecture of platforms that deliver real-time intelligence, predictive analytics, and data-driven insights to its customers. As a key technology leader, this role will also focus on engineering best practices, next gen innovation, vendor management, and external partnerships, while fostering a culture of continuous improvement and accountability within the program group.

The Business & Market Insights (B&MI) group empowers organizations to achieve growth & innovation goals by providing unparalleled data-driven insights and advanced analytics. By leveraging proprietary data and global expertise, B&MI helps businesses make smarter, more informed decisions that drive profitability and success. We turn complex data into actionable strategies that lead to better outcomes and sustained competitive advantage.

Role : Technical Leadership

• Act as a technical thought leader across the B&MI organization, influencing architectural decisions and long-term technology strategy.
• Facilitate cross-team collaboration by aligning engineering, product, data science, and infrastructure teams around shared goals and technical direction.
• Lead technical design reviews, architecture forums, and innovation workshops to drive consensus and clarity and build a culture of innovation within the team
• Champion a culture of engineering excellence, continuous improvement, and knowledge sharing.
• Drive decision-making processes that balance technical rigor, business impact, and delivery timelines.
• Evaluate emerging technologies and guide strategic adoption to enhance platform capabilities.
• Define and enforce architectural standards, engineering best practices, and governance models across the Operational Insights portfolio.
• Mentor and develop engineering talent, promoting growth and technical maturity.

Technology Ownership

All About You :

o Languages & Frameworks : Java, Spring (Boot, Data, Batch, REST, Cloud, AOP), Hibernate, C#, .Net, Python, SQL

o UI / UX : Angular, React and other JavaScript frameworks

o Cloud & DevOps : AWS, Azure, Pivotal Cloud Foundry, Docker, Jenkins, CI / CD

o Databases : Oracle, SQL Server, PostgreSQL, Cassandra, MongoDB, ElasticSearch

o Streaming & Big Data : Kafka, Flink, Spark, Hadoop

o AI / ML : TensorFlow, PyTorch, Scikit-learn, MLlib, MLflow

o Tools : Eclipse / IntelliJ, Sonar, GIT, Maven, SQL Developer, Gatling

This role is not eligible for Mastercard’s work authorization sponsorship. As such, candidates must be eligible to work in the United States, now as well as in the future, without employer sponsorship.

#LI-NF1

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.

Pay Ranges

O'Fallon, Missouri : $200,000 - $320,000 USD