Senior Software Engineer - Test Automation/Java

About the role

Mastercard is seeking a Senior Software Engineer specialized in Test Automation using Java to join the Developer Experience team. In this hands‑on individual contributor role you will embed automated testing into the development workflow, ensuring reliable, production‑ready releases for the Mastercard Developers portal.

Key responsibilities

• Own testing for assigned features within a feature team, balancing manual and automated approaches.
• Perform manual and exploratory testing, identify defects, and collaborate directly with developers to resolve issues.
• Design, develop, and maintain automated tests in Java covering APIs, UI, and integration scenarios.
• Ensure new features are fully covered by reliable automation before release.
• Maintain and improve test stability and CI/CD pipeline integration.

Required profile

• 5+ years of experience in test automation or software engineering in test.
• Strong Java programming skills applied to automation or tooling.
• Proven experience testing APIs, UI, and distributed systems.
• Ability to combine manual testing with automation effectively.
• Experience working closely with developers in feature teams.
• Familiarity with modern CI/CD pipelines and delivery practices.

Required skills

• Java
• Test automation frameworks
• API testing
• UI testing
• Integration testing
• CI/CD pipelines
• Distributed systems