Systems Integration Senior Specialist

NTT DATA, Inc.; Bengaluru; On-site; INR 1,400,000 - 2,100,000; Full time

Job summary

NTT DATA, Inc. in Bengaluru seeks an experienced Java Backend Developer to design, develop, and maintain scalable backend systems using Java, Spring Boot, and microservices. You will build secure RESTful APIs and collaborate with product owners in an Agile/Scrum setup.

You will optimize performance, implement testing with JUnit/Mockito, work with SQL/NoSQL databases, and participate in CI/CD deployments. The role requires strong problem solving, code reviews, and mentoring junior engineers.

Qualifications

• 5+ years of hands-on Java backend development experience.
• Strong knowledge of Java 8/11/17+, Collections, Streams, and multithreading.
• Hands-on with Spring Boot/Spring Framework and microservices.
• Experience designing and consuming REST APIs.
• Proficient in SQL and relational databases (Oracle, PostgreSQL, MySQL).
• Familiar with Maven/Gradle, Git, and CI/CD pipelines.

Responsibilities

• Design, develop, and maintain scalable backend applications in Java.
• Develop microservices using Spring Boot and Spring Framework.
• Create secure REST APIs and integrate with systems.
• Participate in code reviews, debugging, and performance tuning.
• Follow SOLID principles and design patterns.
• Write unit and integration tests and ensure code coverage.
• Support deployments via CI/CD and troubleshoot production issues.
• Collaborate with product owners, QA, DevOps in Agile/Scrum.

Skills

Java backend

Spring Boot

Microservices

REST APIs

SQL

JPA/Hibernate

JUnit/Mockito

Maven/Gradle

Git

CI/CD

Debugging

Job 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