Title and Summary

Software Quality Engineer II

Overview:

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.

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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.

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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.

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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.

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This hybrid position is based in Arlington, VA, and requires three onsite days per week.

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Role:

• 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.

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All About You:

• 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.