Senior Software Engineer, Mastercard

• The ideal candidate will demonstrate a development-first mindset, with hands-on experience in building scalable backend systems and the ability to design and implement robust automation solutions across the application stack
• Strong hands-on experience in Java development
• Experience building backend systems using Spring Boot
• Solid understanding of:
• Object-oriented programming
• Data structures and algorithms
• Software design principles
• Proven experience contributing to production-grade Java applications
• Ability to contribute across development and automation testing responsibilities
• Experience in:
• API Testing (Postman or equivalent)
• API Automation using RestAssured (Java)
• UI Automation using Selenium WebDriver or Playwright
• Strong understanding of:
• Unit, functional, and integration testing (JUnit/TestNG)
• RESTful services, JSON, XML
• Ability to design and implement:
• Integration, acceptance, and end-to-end automation tests
• Software Design & Architecture
• Ability to contribute to software design and architecture decisions
• Understanding of building systems that are:
• Scalable
• Maintainable
• Secure
• Performant
• Awareness of architectural patterns and best practices
• Performance, Security & Reliability
• Experience in performance engineering concepts, including system analysis and optimisation
• Knowledge of secure coding practices and vulnerability prevention
• Understanding of reliability engineering and operability principles
• Engineering Practices & Tooling
• Strong experience with:
• Version control systems (Git)
• CI/CD tools (Jenkins, Bamboo or equivalent)
• Code quality and coverage tools (Sonar or equivalent)
• Experience working in Agile development environments
• Strong collaboration skills with cross-functional teams
• Strong troubleshooting and debugging skills across distributed systems
• Ability to work independently in moderately complex to complex scenarios
• Consistently applies engineering skills with growing autonomy and reliability
• Ability to contribute to team-level engineering improvements and mentoring

Desirable

• We are seeking a highly capable Senior Software Engineer with a strong foundation in software development to join our engineering organisation
• This role goes beyond traditional testing and requires a candidate who actively contributes to software design, development, and quality engineering practices
• The individual will play a key role in embedding quality into the development lifecycle, driving engineering best practices, and ensuring systems meet functional, non-functional, performance, and security requirements
• Contribute to software development and quality engineering, ensuring high standards of code quality and system reliability
• Design and implement scalable, maintainable test automation frameworks across API and UI layers
• Collaborate with engineering teams to ensure testability, performance, and security are incorporated into system design
• Participate in software design and architecture discussions, providing input from a quality and reliability perspective
• Develop and execute unit, functional, integration, and end-to-end tests
• Drive shift-left testing practices across the development lifecycle
• Enhance and maintain CI/CD pipelines, ensuring automated test execution and release validation
• Perform and contribute to code reviews, ensuring adherence to engineering standards and best practices
• Support performance engineering efforts, including analysis, tuning, and scalability validation
• Ensure adherence to secure coding practices and identify potential vulnerabilities
• Contribute to operability engineering, including observability, monitoring, and system reliability
• Troubleshoot and resolve complex issues across systems, ensuring minimal disruption and high system availability
• Continuously identify opportunities to improve engineering and quality processes