Senior Software Engineer in Test, Mastercard
Office located in Mountain View, Dublin
Global payments technology company
Be an early applicant
Global payments technology company
1001+ employees
Be an early applicant
Office located in Mountain View, Dublin
1001+ employees
Company mission
To connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible.
Role
Who you are
- Ability to write secure code in three or more languages (e.g., Java, JavaScript, C#, Python) and familiarity with secure coding standards (OWASP, CWE, SEI CERT)
- Experience with Gitflow branching and peer review practices
- Proficiency in debugging and troubleshooting (core, heap, thread dumps)
- Strong grasp of TDD and BDD practices
- Familiarity with the Test Pyramid concept — unit, contract, and journey tests
- Experience with tools like SonarQube, Zally, Checkmarx for code quality
- Understanding of defect metrics (density, leakage) and root cause analysis
- Hands-on with test automation frameworks: JUnit, Selenium, Appium, RestAssured, Spring Cloud Contract, Cucumber
- Experience with mocking tools: Mockito, Wiremock, Lisa
- CI/CD orchestration using Jenkins, Bamboo, Azure Pipelines, XL Release
- Ability to estimate and prioritize requirements based on business value
- Understanding of non-functional requirements including security, regulatory, and performance (SLAs, throughput)
- Ability to report and opt
What the job involves
- The CTMC Program is part of Mastercard Corporate Solutions, focused on delivering secure, scalable, and high-performance transaction management capabilities
- The program supports key initiatives such as ICCP modernization, VCN gateway flows, and compliance-driven enhancements
- As a Senior Software Engineer in Test, you will be instrumental in driving quality engineering practices across these domains, ensuring robust automation, performance, and integration testing
- Participate in team prioritization discussions with Product and Business stakeholders
- Estimate and own delivery tasks including design, development, testing, deployment, configuration, and documentation
- Automate build, operate, and run aspects of software delivery
- Drive integration of services with a focus on customer journey and experience
- Perform demos and acceptance discussions with Product Owners
- Review coding, testing, and automation work of team members
- Enhance and maintain test automation frameworks supporting all environments
- Set up CI/CD pipelines to support test automation
- Partner with other application teams to support integrated end-to-end testing, including test data management
- All staff at Mastercard are expected to demonstrate 'Mastercard Way' cultural values every day — own it, simplify it, sense of urgency, thoughtful risk-taking, unlock potential, and be inclusive — with a relentless focus on our customers
- 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
Application process
- End Date: December 12, 2025
Our take
Mastercard is in the global payments business, and operates the world's fastest payments processing network. Its products and solutions have become central to everyday commerce across the world, in activities ranging from shopping and travelling to running businesses.
As the economy has become more and more digitised, Mastercard has been a leading player in helping businesses and individuals across the globe embrace card payments and digital banking. One of the world's largest companies, its revenue has seen consistent gain in the last 20 years.
The challenge for modern payments companies is that payments are always changing, as seen in the astronomical rise of contactless payments over the last decade. Mastercard's acquisition of blockchain systems, and an overall focus on leveraging its technology towards a digital economy, has placed the company in good stead to keep up to date with current trends, like cryptocurrency, in the digitised payments world.
Steph
Company Specialist at Welcome to the Jungle
Insights
21% employee growth in 12 months
Company
Company benefits
- Gym membership
- Share purchase options
- Extra holiday purchase optional
- Work from home opportunities
- Health insurance
Company HQ
Purchase, Harrison, NY
Leadership
Michael Miebach
(CEO)Has served in a variety of roles at the company, including President and CPO. Currently Board Member at IBM, Accion, the World Resources Institute, the US-India Strategic Partnership Forum, and the Metropolitan Opera. They are also a Trustee of USCIB.
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