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NTT DATA Services

Java Developer

NTT DATA Services Bangalore, Karnataka, India

IT Services and IT Consulting · 10,001+ employees

Yesterday Closes today
java Senior (5-10 yrs) Full-time India
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About the role

Design, develop, and maintain scalable backend applications and microservices using Java and Spring Boot. Collaborate with cross-functional teams in an Agile environment to perform code reviews, debugging, and performance optimization.

What they look for

Java Spring Boot Spring Framework Microservices RESTful APIs SQL Hibernate Spring Data JPA OOP SOLID Principles Design Patterns JUnit Mockito Maven Git CI/CD

Requirements

Requires 5+ years of hands-on Java backend development experience with strong knowledge of Java 8/11/17+ and Spring ecosystem. Candidates must have experience with RESTful APIs, relational databases, and modern software development practices like CI/CD and unit testing.

Full description

Job Description – Java Backend Developer (5+ Years)

Experience: 5+ Years Role: Java Backend Developer / Senior Java Developer

Key Responsibilities

  • Design, develop, and maintain scalable and high-performance backend applications using Java.
  • Develop and enhance microservices-based applications using Spring Boot and Spring Framework.
  • Design and implement secure, scalable RESTful APIs and integrate with internal/external systems.
  • Participate in application design, technical discussions, code reviews, debugging, and performance optimization.
  • Develop applications following clean coding, SOLID principles, design patterns, and industry best practices.
  • Work with relational and/or NoSQL databases and optimize database queries.
  • Implement appropriate exception handling, logging, monitoring, and application security.
  • Develop unit and integration tests and maintain good code coverage.
  • Work with CI/CD pipelines and support deployments across different environments.
  • Troubleshoot production issues and perform root-cause analysis.
  • Collaborate with product owners, architects, QA, DevOps, and other engineering teams in an Agile/Scrum environment.

Mandatory Technical Skills

  • 5+ years of hands-on Java backend development experience
  • Strong knowledge of Java 8/11/17+, including Collections, Streams, Lambda Expressions, Exception Handling, Multithreading, and Concurrency
  • Strong hands-on experience with Spring Boot, Spring Framework, Spring MVC
  • Strong experience in Microservices architecture and development
  • Strong experience designing and consuming REST APIs
  • Experience with Spring Data JPA / Hibernate
  • Strong knowledge of SQL and relational databases such as Oracle, PostgreSQL, or MySQL
  • Good understanding of OOP, SOLID principles, design patterns, and data structures
  • Experience with JUnit, Mockito, or similar testing frameworks
  • Experience with Maven or Gradle
  • Working knowledge of Git
  • Understanding of CI/CD pipelines
  • Experience debugging and troubleshooting complex backend/production issues

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