Software Engineer II (Java Full stack Developer)

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 Full stack Developer) Software Engineer II (L8) Overview Mastercard is seeking a skilled Full Stack Developer with strong experience in API platform development. The successful candidate will design, build, and support modern enterprise applications across the UI, API, service, data, and cloud layers. This is a full-stack engineering role with a strong backend and API platform focus. The candidate should be comfortable developing user-facing features while bringing hands-on experience in API design, lifecycle management, governance, security, and cloud-native delivery. Roles and Responsibilities • Design, develop, test, and support full-stack applications across UI, APIs, backend services, databases, and AWS cloud environments. • Build secure, scalable REST APIs and microservices using API-first principles. • Develop responsive user interfaces and integrate them with backend services. • Maintain API specifications, documentation, and lifecycle management processes. • Implement APIOps practices for API validation, testing, security, and deployment automation. • Contribute to architecture, code reviews, production support, and platform modernization initiatives. • Collaborate with cross-functional teams to deliver reliable, scalable, and secure solutions. Required Qualifications • Bachelor's or Master's degree in Computer Science, Information Technology, or related field. • Experience building enterprise-scale full-stack applications in Agile and DevOps environments. • Strong hands-on experience with Java, Spring Boot, REST APIs, microservices, and cloud-native architectures. • Working knowledge of React, JavaScript/TypeScript, HTML, CSS, and modern UI development. • Experience with AWS services, API Gateway, databases, CI/CD pipelines, Docker, and Kubernetes. • Understanding of API security, lifecycle management, distributed systems, and DevOps practices. Preferred Skills • Experience with API management platforms (Apigee, MuleSoft). • Knowledge of Infrastructure as Code (Terraform), Kafka, and event-driven architectures. • Familiarity with observability tools such as Splunk, Dynatrace, Grafana, or OpenTelemetry. • Experience with AI-assisted development tools and financial services/payment platforms. Key Competencies • Strong full-stack engineering and API development expertise. • Excellent problem-solving, collaboration, and communication skills. • Ownership mindset with a focus on security, reliability, and engineering excellence. • Ability to influence technical decisions and drive continuous improvement. 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.