Senior Software Engineer - QE

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 Software Engineer - QE
About the Role
We are looking for a Senior Software Engineer - Quality to drive quality engineering excellence in a modern, agile, microservices-driven environment. This is a hands-on, individual contributor role where you will lead by example , designing robust test strategies, implementing automation frameworks, and influencing engineering best practices across teams.
You will collaborate closely with cross-functional teams to ensure high-quality, scalable, and user-centric solutions in the payments domain, while staying ahead of industry trends and continuously improving our testing ecosystem. You will also contribute to cloud migration initiatives, ensuring quality and performance throughout the transition.
Key Responsibilities• Lead in-sprint testing, shift-left quality, and test automation for XBS platform.• Design and implement scalable test frameworks using Karate, Selenium, Playwright, Rest Assured, and AI-based testing tools.• Plan and manage CI/CD pipelines and contribute to release management processes to ensure smooth, reliable deployments.• Define and monitor Quality KPIs (e.g., test coverage, defect leakage, MTTR, release readiness).• Drive contract testing, chaos testing, and performance testing using tools like JMeter.• Collaborate with Product Managers, Designers, and Engineers to ensure intuitive, high-value user experiences.• Support and validate cloud migration efforts, ensuring quality, scalability, and performance in cloud-native environments.• Promote test-driven development (TDD), behavior-driven development (BDD), and quality gating using tools like SonarQube.• Continuously evaluate and improve testing tools, processes, and strategies.• Stay current with the latest Quality Engineering trends and tools, and proactively recommend improvements to enhance team capabilities.
What You Bring• 6+ years of experience in software quality engineering, test automation, or software development.• Deep expertise in Agile development, microservices architecture, and modern testing methodologies.• Hands-on experience with:• Automation: Karate, Selenium, Playwright, Rest Assured• Performance & Resilience: JMeter, Chaos testing tools• Quality & Monitoring: SonarQube, Quality Gates, AI-based testing platforms• Languages: Java (preferred)• CI/CD & DevOps: Jenkins, Git, Docker, Kubernetes• Cloud Platforms: AWS, Azure, or GCP • Release Management: Coordinating deployments, managing rollback strategies, and ensuring production readiness• Experience with contract testing, API testing, and end-to-end service validation.• Strong analytical, problem-solving, and communication skills.• Degree in Computer Science, Engineering, or a related technical field.• Passion for innovation, continuous learning, and driving quality through engineering excellence.
Why Join Us?• Work on impactful products in the payments technology space.• Collaborate with passionate, talented teammates in a culture that values innovation and ownership.• Access to cutting-edge tools, technologies, and learning opportunities.• Competitive compensation, benefits, and flexible work arrangements.
Mastercard is an equal opportunity employer that values diversity and inclusion. All qualified applicants will be considered without regard to gender, race, ethnicity, religion, sexual orientation, veteran status, disability, or any other protected status.
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.