Software Quality Engineer II

Mastercard • Arlington, VA

23d • Hybrid

About The Position

Mastercard is seeking a Software Quality Engineer II to join our rapidly growing Services team. In this role, you will collaborate with experienced engineers to support high-quality product development, contribute to modern data-driven solutions, and help ensure our platforms deliver reliable insights to customers across industries and geographies. The Services next-generation platform blends industry-leading analytics, advanced software architecture, and modern web technologies. Our applications help organizations make multi-million-dollar decisions, and quality is critical to our success. As part of the Insights team, you will apply your testing skills to help validate key features, maintain quality throughout the data pipeline, and contribute to a scalable, high-performance platform. You will work with cutting-edge web technologies and large datasets within a Hadoop ecosystem. This role is ideal for someone who enjoys problem-solving, continuous learning, and collaborating in an agile environment. Engineers at Mastercard work in small, flexible teams where everyone contributes to building, testing, and improving features. We value experimentation, knowledge-sharing, and processes that support team success. This hybrid position is based in Arlington, VA, and requires three onsite days per week.

Requirements

• Hands-on experience as a Software Quality Engineer, Software Engineer in Test, Test Automation Engineer, Developer, or a related role using modern QA tools and processes.
• Experience with a variety of testing techniques, including UI testing, API testing, automated testing, and test-driven development along with any modern testing tool (e.g., Cypress, Playwright, Selenium, Postman, RestAssured, or similar).
• Strong knowledge of SQL for validating data, debugging issues, and supporting end-to-end testing.
• Experience working with .NET applications or familiarity with .NET-based unit testing frameworks, as much of our codebase is written in .NET.
• Familiarity with Agile methodologies and common tools such as Git for code management, Jenkins for CI/CD, and pipeline management best practices.
• Strong attention to detail, organizational skills, and the ability to follow structured testing approaches.
• Ability to contribute to test planning and execution, including manual, automated, unit, and performance testing.
• Analytical and problem-solving skills with a desire to understand how systems work end-to-end.
• A collaborative mindset and the ability to work effectively with cross-functional teams across geographies.
• Excellent verbal and written communication skills, capable of explaining complex technical concepts to diverse audiences.
• Bachelor degree in Computer Science, Software Engineering, Information Technology, Mathematics, or a related field. Equivalent practical experience may also be considered.
• 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.

Responsibilities

• Support the testing of complex full-stack features that help global clients make data-driven decisions.
• Collaborate on testing and release activities within a continuous delivery environment.
• Develop, maintain, and enhance automated test cases and frameworks for UI, API, and data validation.
• Contribute to ensuring a seamless and intuitive user experience through thoughtful test coverage.
• Assist in validating data pipelines responsible for generating millions of analytic results.
• Work with new testing tools and technologies, continuously learning and expanding your skills.
• Participate in team ceremonies and contribute to process improvements.
• Collaborate with cross-functional teams including Product, Customer Experience, and Data Engineering & Analytics.
• Support quality best practices and help promote a strong testing culture across the team.
• Work with Product Managers and UX Designers to understand user needs and apply those insights to feature testing.
• Help ensure timely delivery of new features and data updates that support client needs.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees