Java Backend Engineer — Core Java & Scalable Apps

NTT DATA North America; New York (NY); On-site; USD 110,000 - 150,000; Full time

Job summary

NTT DATA North America is seeking a strong Java Developer with hands-on Core Java experience to design, develop, test, and maintain scalable backend services.

You will demonstrate deep knowledge of Java fundamentals, OOP, collections, and multithreading, and you will independently analyze problems to craft efficient solutions while delivering production-ready code. Collaboration with architects, QA, and other stakeholders is expected.

Qualifications

• Proven experience building scalable Java applications.
• Strong fundamentals in Java, OOP, collections, and multithreading.
• Ability to analyze problems and design clean, maintainable solutions.

Responsibilities

• Design, develop, test, and maintain scalable Java applications and backend services.
• Demonstrate strong understanding of Core Java, OOP principles, collections, exception handling, multithreading, and Java fundamentals.
• Analyze technical problems independently and develop efficient solutions.
• Apply data structures and algorithms to solve coding and application-level problems.
• Participate in application and component-level design discussions.
• Develop clean, efficient, maintainable, and production-ready code.
• Troubleshoot and resolve complex technical issues across the application stack.
• Review code and provide technical feedback to team members.
• Collaborate with architects, developers, QA, and other stakeholders to deliver solutions.
• Use AI-assisted development tools where appropriate, while maintaining the ability to understand, validate, troubleshoot, and independently implement solutions.

Skills

Core Java

Data Structures

Algorithms

Problem Solving

Software Design

Job description

NTT DATA North America is seeking a strong Java Developer with hands-on Core Java experience to design, develop, test, and maintain scalable backend services.

You will demonstrate deep knowledge of Java fundamentals, OOP, collections, and multithreading, and you will independently analyze problems to craft efficient solutions while delivering production-ready code. Collaboration with architects, QA, and other stakeholders is expected.