Java Full Stack Developer (Java + Microservices + React

Cognizant; Chennai District; On-site; INR 2,400,000 - 3,600,000; Full time

Job summary

Cognizant is seeking a Java Full Stack Developer in Chennai to design and develop scalable enterprise applications using Java, Microservices, and React. Hybrid work model with 6–12 years of software development experience is desired.

You will build RESTful APIs, integrate third-party services, and ensure code quality through reviews and testing, while collaborating with cross-functional teams in an Agile environment.

Qualifications

• 6 to 12 years of experience in software development.
• Strong hands-on experience in Core Java and Spring Boot.
• Expertise in Microservices architecture and REST API development.
• Proficiency in React.js, JavaScript, HTML5, CSS3, and modern frontend development practices.
• Experience with relational databases such as Oracle, SQL Server, or PostgreSQL.
• Familiarity with Git, Maven/Gradle, and CI/CD pipelines.
• Good understanding of software design patterns and development best practices.
• Excellent analytical, problem-solving, and communication skills.

Responsibilities

• Design and develop scalable, high-performance applications using Java and Microservices architecture.
• Build responsive and user-friendly web applications using React.js.
• Develop and consume RESTful APIs and integrate with third-party services.
• Collaborate with cross-functional teams including Business Analysts, QA, DevOps, and Product Owners.
• Ensure code quality through code reviews, unit testing, and adherence to best practices.
• Troubleshoot, debug, and optimize application performance.
• Participate in Agile ceremonies and contribute to continuous improvement initiatives.

Skills

Java

Microservices

React.js

Tools

Git

Maven/Gradle

CI/CD pipelines

REST API development

Spring Boot

Oracle

SQL Server

PostgreSQL

Job description

Java Full Stack Developer (Java + Microservices + React)

Location: Chennai
Experience: 6 to 12 Years
Notice Period: 60 to 90 Days
Work Mode: Hybrid

We are looking for a highly skilled Java Full Stack Developer with strong experience in Java, Microservices, and React to design, develop, and maintain scalable enterprise applications.

Mandatory Skills:

• Java (Java 8/11/17)
• Microservices
• React.js

Key Responsibilities:

• Design and develop scalable, high-performance applications using Java and Microservices architecture.
• Build responsive and user-friendly web applications using React.js.
• Develop and consume RESTful APIs and integrate with third-party services.
• Collaborate with cross-functional teams including Business Analysts, QA, DevOps, and Product Owners.
• Ensure code quality through code reviews, unit testing, and adherence to best practices.
• Troubleshoot, debug, and optimize application performance.
• Participate in Agile ceremonies and contribute to continuous improvement initiatives.

Required Qualifications

• 6 to 12 years of experience in software development.
• Strong hands‑on experience in Core Java and Spring Boot.
• Expertise in Microservices architecture and REST API development.
• Proficiency in React.js, JavaScript, HTML5, CSS3, and modern frontend development practices.
• Experience with relational databases such as Oracle, SQL Server, or PostgreSQL.
• Familiarity with Git, Maven/Gradle, and CI/CD pipelines.
• Good understanding of software design patterns and development best practices.
• Excellent analytical, problem-solving, and communication skills.