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Java Backend Developer

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NTT DATA

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Location:
United States , Atlanta

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

The Java Backend Developer role at NTT DATA requires over 8 years of experience in Java/J2EE application development. The candidate will design and maintain backend services for payment processing, build RESTful APIs, and ensure compliance with PCI-DSS standards. A bachelor’s degree in Computer Science or a related field is required. Strong collaboration and secure coding skills are essential.

Job Responsibility:

  • Design, develop, and maintain Java-based backend services supporting payment processing and transaction workflows
  • Build and enhance RESTful APIs used in card payments, billing, and financial integrations
  • Develop responsive front-end components using modern JavaScript frameworks (React, Angular, or similar)
  • Ensure applications remain compliant with PCI-DSS requirements, including secure data handling and encryption standards
  • Apply secure coding practices to protect sensitive payment and cardholder data
  • Participate in code reviews, architecture discussions, and sprint planning within an agile environment
  • Collaborate closely with product owners, architects, and QA to deliver high-quality, scalable solutions
  • Troubleshoot, debug, and optimize application performance in high-throughput systems
  • Work on-site in the Atlanta office 3 days per week to support collaboration, design sessions, and agile ceremonies

Requirements:

  • 8+ years of experience in Java/J2EE application development
  • 8+ years of strong foundation in Core Java, including: OOP principles (inheritance, polymorphism, abstraction, encapsulation), Collections, multithreading, concurrency, and exception handling, JVM fundamentals and memory management
  • 5+ years of hands-on experience with Spring / Spring Boot
  • 5+ years of proven experience building and supporting RESTful APIs
  • Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience

Nice to have:

  • Solid understanding of SQL and relational databases
  • Prior experience in the payments or financial services industry, supporting transaction-based systems
  • Demonstrated experience working in or supporting PCI-DSS compliant environments
  • Front-end development experience with JavaScript, HTML, CSS, and at least one modern framework
  • Experience with Git or similar version control systems
  • Strong problem-solving skills and attention to detail
  • Experience with microservices architecture
  • Exposure to CI/CD pipelines and DevOps practices
  • Cloud experience (AWS, Azure, or GCP)
  • Experience with JUnit, Mockito, or other unit testing frameworks
  • Prior work on high-volume payment platforms, gateways, or card processing systems

Additional Information:

Job Posted:
February 17, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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