Jobs / India / Mastercard International Incorporated
Mastercard International Incorporated
Software Engineer II - Java Full Stack React
Pune, India
Posted today
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Skills this job asks for
JavaReactSpringREST APIsMicroservicesCI/CDPostgreSQLSQLKafkaJavaScriptTypeScriptTesting / QA
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About the role
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 React
Overview:
We are looking for a highly skilled and motivated Software Engineer to design, develop, and evolve scalable, reliable, secure, and high-performance applications across the frontend and backend.
The ideal candidate will have strong hands-on experience with Java, Spring Boot, REST APIs, gRPC, microservices, React, relational databases, messaging, CI/CD, and cloud-native technologies.
The role requires a strong balance of full-stack development, system design, problem solving, technical ownership, AI adoption, and collaboration. The engineer will work closely with product managers, architects, DevOps engineers, and other engineering teams to deliver high-quality solutions from conception through production.
Technical Skills & Qualifications :
- Overall 3-5 of career experience as a Developer in Full Stack Development
- Backend
- Strong hands-on experience with Java 17/21+.
- Strong experience with Spring Framework / Spring Boot.
- Strong understanding of RESTful API design and microservices architecture.
- Hands-on experience with gRPC and Protocol Buffers (protobuf).
- Good understanding of gRPC concepts including service contracts, streaming, deadlines/timeouts, status codes, error handling, interceptors, and backward-compatible API evolution.
- Strong understanding of object-oriented design, SOLID principles, design patterns, and clean code practices.
- Experience with JPA/Hibernate and Spring Data.
- Strong experience with relational databases such as Oracle, PostgreSQL
.
- Good understanding of SQL, database design, indexing, transactions, and query optimization.
- Experience with Apache Kafka or equivalent messaging/event-streaming technologies.
- Good understanding of multithreading, concurrency, caching, transactions, and performance optimization.
Frontend
- Strong hands-on experience with React.
- Strong knowledge of JavaScript and/or TypeScript.
- Experience building responsive, reusable, component-based UI applications
.
- Good understanding of React hooks, state management, component lifecycle, routing, and asynchronous API integration.
- Experience with frontend state-management solutions such as Redux, Context API, or equivalent.
- Strong understanding of HTML5, CSS3, responsive design, and browser fundamentals.
- Experience integrating frontend applications with REST and/or gRPC-backed services.
- Understanding of frontend performance optimization, accessibility, security, and browser compatibility.
- Testing & TDD
- Strong practical experience with Test-Driven Development (TDD) and test-first development practices.
- Strong understanding of the Red-Green-Refactor development cycle.
- Experience writing effective unit, integration, API, contract, and end-to-end tests.
- Backend testing experience with JUnit 5, Mockito, Spring Boot Test, or equivalent frameworks.
- Frontend testing experience with Jest, React Testing Library, or equivalent frameworks.
- Experience with Playwright, or similar end-to-end testing frameworks.
- Ability to design testable code and identify appropriate testing boundaries across unit, integration, and E2E layers.
- Ability to incorporate automated tests into CI/CD pipelines and enforce qua