Senior Software Engineer

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

We are seeking a highly motivated Senior Software Engineer to design, develop, test, and maintain scalable enterprise applications. The ideal candidate will have strong Java development skills and a quality-first mindset, contributing across the full software development lifecycle including development, automated testing, integration testing, deployment, and production support.
Key Responsibilities
Software Development
Design, develop, and maintain Java-based applications and microservices.
Implement secure, scalable, and high-performance solutions using Java, Spring Boot, REST APIs, and related technologies.
Participate in system design, architecture reviews, and technical discussions.
Perform code reviews and ensure adherence to coding standards and best practices.
DevOps & Automation
Contribute to CI/CD pipeline development and automation.
Improve build, deployment, and testing processes through automation.
Monitor application performance and participate in operational support.
Quality Engineering
Develop and execute unit, integration, regression, and API tests.
Build and maintain automated test suites to improve product quality and release confidence.
Create test scenarios, test data, and validation strategies based on business requirements.
Troubleshoot defects, perform root cause analysis, and collaborate with teams to resolve issues.
Support performance, deployment verification, and release testing activities.
Collaboration & Leadership
Work closely with Product Owners, Business Analysts, and cross-functional teams.
Mentor junior engineers and promote engineering best practices.
Drive continuous improvement in development and testing processes.
Required Skills
7+ years of experience in Java development.
Strong knowledge of Java, Spring Boot, REST APIs, SQL, and Microservices.
Experience with JUnit, Mockito, TestNG, REST Assured, Postman, or similar testing frameworks.
Experience with CI/CD tools such as Jenkins, GitHub Actions, GitLab CI, or equivalent.
Knowledge of Agile/Scrum development methodologies.
Strong debugging, troubleshooting, and analytical skills.
Experience API Automation, or test automation frameworks.
Knowledge of cloud platforms (AWS/Azure/GCP).
Experience with Kafka, Docker, Kubernetes.
Understanding of performance and security testing concepts.

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.