Senior Software Engineer Test

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 Test
Job Title
Senior Software Engineer in Test - CTMC Program
Overview
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.
Role Responsibilities
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.
As a Senior Software Engineer in Test, you will:
- 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.
Technical Qualifications
You are not expected to have expertise across all areas, but the following skills are highly valued:
- 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
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.