Mastercard is a global technology leader in the payments ecosystem, operating in more than 200 countries and territories. The company’s mission is to connect and power an inclusive digital economy where transactions are safe, simple, smart and accessible. With a strong focus on innovation, Mastercard invests heavily in cloud‑native platforms, data security, and AI‑driven solutions that enable merchants, financial institutions, governments and consumers to thrive. Its culture is built around a high "Decency Quotient" (DQ) that emphasizes ethical behavior, collaboration, and a commitment to sustainable growth. The role of Software Engineer I – Java Backend sits within the Mastercard Payment Networks team, which designs and delivers the digital backbone that processes billions of transactions each year. As a junior engineer, you will be part of a fast‑moving, Scaled Agile environment that leverages cloud frameworks, continuous integration/continuous deployment (CI/CD) pipelines, and modern data persistence technologies. The position offers a unique opportunity to contribute to customer‑centric products while learning from seasoned architects and product owners. Key Responsibilities: 1. Write clean, maintainable Java code following best‑practice guidelines and coding standards. 2. Develop and enhance micro‑services using Spring Boot, adhering to RESTful API design principles. 3. Participate in CI/CD workflows, configuring pipelines on cloud platforms such as AWS, Azure or GCP. 4. Choose appropriate persistence mechanisms (RDBMS, NoSQL) based on functional requirements and performance considerations. 5. Conduct unit testing, integration testing and support automated test suites to ensure high code quality. 6. Contribute to proof‑of‑concept (PoC) initiatives that explore emerging technologies or architectural patterns. 7. Collaborate with cross‑functional teams—including product, security, and operations—to deliver end‑to‑end solutions. 8. Follow Agile ceremonies (stand‑ups, sprint planning, retrospectives) and actively participate in sprint deliveries. 9. Monitor production services, troubleshoot incidents, and propose improvements for reliability and scalability. 10. Document technical designs, APIs and deployment procedures for knowledge sharing. Tech Stack: Java 11+, Spring Boot, REST APIs, Maven/Gradle, Git, Docker, Kubernetes, CI/CD tools (Jenkins, GitHub Actions), Cloud services (AWS/Azure/GCP), RDBMS (PostgreSQL, MySQL), NoSQL (MongoDB, DynamoDB), Event‑Driven Architecture (Kafka, RabbitMQ) and Agile tools (Jira, Confluence). Growth Path: Starting as a Software Engineer I, high performers can progress to Software Engineer II, Senior Engineer, and eventually to Lead Engineer or Architecture roles within 3‑5 years. Mastercard also offers rotational programs, mentorship, and access to internal learning platforms that accelerate technical and leadership development. Why Join Mastercard? You will work on mission‑critical payment systems that impact millions of users worldwide, gain exposure to cutting‑edge cloud‑native technologies, and be part of a culture that values ethical conduct, diversity, and continuous learning. The company’s strong brand, competitive compensation, and robust employee benefits make it an attractive launchpad for a long‑term technology career.