# Software Engineer II - Java Full Stack React at Mastercard

Mastercard is hiring a Software Engineer II - Java Full Stack React in Pune, India. Level rates it Little AI ●○○○; you can [apply on Mastercard](https://jobsbylevel.com/go/f1f68446-7588-47de-bda1-22835332544d?utm_medium=ai-agent).

AI Level 1, AI centrality 20 out of 100. Pune, India.

## Details

- Company: [Mastercard](https://jobsbylevel.com/companies/mastercard)
- AI level: AI Level 1 (score 20 out of 100)
- Location: Pune, India
- Posted: October 22, 2026
- Apply: https://jobsbylevel.com/go/f1f68446-7588-47de-bda1-22835332544d?utm_medium=ai-agent
- Free CV review for this job: https://jobsbylevel.com/cv-review?job=software-engineer-ii-java-full-stack-react-at-mastercard-009729

## Prepare for this job

The job page lists 5 likely interview questions for this offer, with a CV checklist: https://jobsbylevel.com/jobs/software-engineer-ii-java-full-stack-react-at-mastercard-009729

## Description

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 quality gates. - AI-Assisted Engineering - Practical experience using AI coding assistants and developer productivity tools such as GitHub Copilot, ChatGPT, or equivalent tools. - Ability to effectively use AI for code generation,

The description is cut here. Read the full offer: https://jobsbylevel.com/jobs/software-engineer-ii-java-full-stack-react-at-mastercard-009729

Source: https://jobsbylevel.com/jobs/software-engineer-ii-java-full-stack-react-at-mastercard-009729

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