Principal Software Engineer F/T

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

Principal Software Engineer F/T

Overview
Develop, execute, and lead the Automation planning, Scripting, and maintenance strategy.
Role.
• Design and develop a reusable architecture for the automation with API- and messaging-based test frameworks for various repeatable tests, including reusability and maintainability of the test scripts.
• Collaborate in creating overall QA Program estimates for feature teams.
• Lead automation development and optimization of those programs/scripts/tools/cases.
• Manage the execution of automated tests and their automated programs/scripts integration with the test management tool and CI/CD tools.
• Direct and mentor QA Leads and team members using the automation framework and scripts.
• Perform analyses to solve complex problems and motivate peers to produce creative products and services.
• Create strategies and plans to adopt and maintain the automation scripts and Test data.
• Collaborate in overall automation effort, influencing the direction, effort, schedule, and prioritization.

About You
• Position requires a bachelor’s degree or foreign equivalent in Electronic Engineering, Information Systems, Information Technology, Computer Science or Engineering or related and eight (8) years of progressively responsible experience in job offered or as a System Test Engineer, Quality Assurance Engineer, or related.
• Qualifying experience must include at least one (1) year with each of the following: Java/J2EE; Performance engineering with JMeter; Chaos Engineering with Chaos Monkey; Test automation; Playwright; REST assured; GitHub Copilot or Gemini Code Assist and Financial Services experience in transactional applications.
• Telecommuting and/or working from home may be permissible pursuant to company policies.
• 25% Travel to other Mastercard locations domestic and international as well as travel to conferences.
• To apply, please click the “Apply for job” link above, or send resume to recruiter Jeff Bannon, Jeff.Bannon@mastercard.com, 2200 Mastercard Blvd, O’Fallon, MO 63368. Ref MC50-2026.

Incentives offered through MasterCard’s Employee Referral Program Apply to this position. For more information, please visit our Employee Referral Site or see employee handbook.

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.

Pay Ranges

O'Fallon, Missouri: $170,000 - $281,000 USD