Software Engineer II - Decision Management Program

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 - Decision Management Program Position Summary The Notification Manager team is responsible for Mastercard's enterprise notification platform within the Decision Management Program (DMP). The platform processes high-volume transaction events and delivers customer-facing notifications through email, SMS, and API channels. Engineers on the team build and maintain distributed, event-driven services that support critical fraud, security, and customer engagement products. As a Software Engineer II, you will contribute to the design, development, testing, deployment, and support of backend services that power Notification Manager. You will work closely with Product, TPMs, Architects, QA, and partner engineering teams to deliver scalable, resilient, and secure solutions while continuing to grow your technical expertise. What You'll Do Software Development • Design, develop, test, and maintain Java/Spring Boot microservices. • Design software components and service interactions that support scalability, maintainability, and reliability requirements. • Implement enhancements, new features, and defect fixes across Notification Manager services. • Participate in technical design discussions and translate requirements into working software. • Write clean, maintainable, and secure code following Mastercard engineering standards. • Develop and maintain automated unit, integration, and API tests. Platform Modernization • Contribute to modern event-driven architectures utilizing Kafka messaging and distributed processing patterns. • Contribute to system architecture decisions and technical designs that support platform scalability, resiliency, and long-term evolution. • Support ongoing platform modernization initiatives, including service decomposition, resiliency improvements, performance optimization, and cloud-native deployment practices. • Help reduce technical debt and improve operational efficiency across the platform. Reliability & Operational Excellence • Participate in production support, incident response, and root cause analysis. • Monitor system health using observability tools and metrics. • Analyze application performance and implement improvements to optimize throughput, latency, scalability, and resource utilization. • Troubleshoot application, infrastructure, and data-related issues. • Support release activities and production readiness efforts. • Contribute to operability engineering practices that improve system reliability, monitoring, and supportability. Collaboration • Work closely with engineers, QA, PMTs, TPMs, and partner teams to deliver roadmap commitments. • Participate in Agile ceremonies, elaboration sessions, estimation, and backlog refinement. • Participate in peer code reviews to ensure code quality, maintainability, security, and adherence to engineering standards. • Contribute to technical documentation and knowledge sharing. • Assist and mentor junior engineers where appropriate. Required Qualifications • Bachelor's degree in Computer Science, Engineering, or equivalent experience. • 2–5 years of software development experience. • Experience developing applications using Java and Spring Boot. • Understanding of REST APIs and microservice architectures. • Familiarity wi