Software Engineer II - Java Full Stack React
Full Job Posting
Key Responsibilities
- Design, develop, test, deploy, and maintain full-stack applications using Java/Spring Boot and React.
- Develop scalable and maintainable backend services using Java and Spring Boot.
- Design and implement REST APIs, gRPC services, microservices, and event-driven components. - Develop responsive, reusable, and maintainable user interfaces using React, JavaScript/TypeScript, HTML, and CSS.
- Design appropriate communication patterns using REST, gRPC, and asynchronous messaging based on business and technical requirements.
- Own software development initiatives end-to-end, from requirements and technical design through implementation, testing, deployment, and production support.
- Participate in architecture and technical design discussions with a focus on scalability, performance, availability, security, and maintainability.
- Design efficient relational database models and develop optimized SQL queries.
- Follow Test-Driven Development (TDD) and a test-first approach when developing new features and fixing defects.
- Build and maintain automated unit, integration, API, contract, and end-to-end tests across frontend and backend components.
- Leverage AI-assisted development tools such as GitHub Copilot and other approved AI coding/productivity tools to improve development speed, code quality, testing, documentation, troubleshooting, and developer productivity.
- Identify and drive opportunities to use AI for engineering automation, including code generation, test generation, code analysis, documentation, refactoring, debugging, and developer workflows.
- Evaluate AI-generated code and recommendations critically, ensuring correctness, security, maintainability, performance, and compliance before adoption.
- Promote responsible adoption of AI tools while following organizational security, privacy, intellectual property, and engineering standards.
- Improve engineering productivity through automation, CI/CD, quality gates, AI-enabled workflows, and developer tooling.
- Troubleshoot production issues, perform root-cause analysis, and implement sustainable corrective actions.
- Conduct code reviews and contribute to coding standards, design guidelines, and engineering best practices.
- Mentor junior and mid-level engineers and contribute to technical knowledge sharing.
- Collaborate effectively with cross-functional and distributed teams.
- 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.
Qualifications
- Experience with JPA/Hibernate and Spring Data.
- Experience with Apache Kafka or equivalent messaging/event-streaming technologies.
- Experience with frontend state-management solutions such as Redux, Context API, or equivalent.
- Experience with Playwright, or similar end-to-end testing frameworks.
About Mastercard
Global payment processing and financial technology service provider.
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