Software Engineer II (Java/Spring)

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 Software Engineer II (Java/Spring) Job Overview: As a Software Engineer II, you will: • Design, develop, test, and maintain backend services, APIs, and integration components that support business and technology capabilities. • Build secure, scalable, and maintainable software solutions using modern engineering practices. • Develop and support RESTful APIs, service-to-service integrations, and data exchange patterns across internal platforms. • Collaborate with product owners, architects, software engineers, data engineers, and data scientists to translate requirements into technical solutions. • Participate in design discussions, code reviews, testing, and release activities to ensure high-quality software delivery. • Apply secure coding, logging, monitoring, and operational readiness practices throughout the development lifecycle. • Troubleshoot production issues, perform root cause analysis, and contribute to long-term improvements in reliability and supportability. • Contribute to automation, CI/CD pipelines, and engineering process improvements that reduce manual effort and improve delivery speed. • Follow Mastercard technology, security, privacy, and compliance standards in the design and implementation of solutions. Essential Skills & Experience • 3+ years of hands-on software engineering experience building backend services, APIs, or integration solutions. • Strong programming experience in Java, Python, or a similar modern programming language. • Experience developing and consuming RESTful APIs and working with service-based or microservices-style architectures. • Good understanding of software development lifecycle practices, including design, coding, testing, code review, CI/CD, and production support. • Experience with SQL and relational or analytical data stores. • Familiarity with Git, Unix/Linux environments, shell scripting, and automated build/deployment pipelines. • Strong debugging, troubleshooting, and problem-solving skills, including the ability to independently investigate and resolve technical issues. • Understanding of secure coding practices, authentication/authorization patterns, data protection, and operational controls. • Excellent communication skills, with a collaborative approach to working across engineering, data science, product, and architecture teams. Preferred Qualifications • Experience with Java/Spring Boot or similar backend application frameworks. • Experience with API gateways, integration platforms, event-driven patterns, messaging, or batch/streaming integration approaches. • Exposure to AI/ML-enabled platforms, model integration patterns, or data-driven applications. • Experience with observability tools, logging, monitoring, alerting, and production support practices. • Exposure to Agile delivery methods and working in cross-functional delivery teams. • Ability to work across multiple priorities while maintaining a strong sense of ownership and delivery accountability. • Proactive, self-motivated, and comfortable operating in a fast-paced technology environment. 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