Full Stack Java Developer

Full Stack Java Developer – Payments

At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrity, and commitment of our employees have been key factors in our company's growth and market presence. By hiring the best people and helping them grow both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here. For more than 25 years, NTT DATA Services have focused on impacting the core of your business operations with industry-leading outsourcing services and automation. With our industry-specific platforms, we deliver continuous value addition, and innovation that will improve your business outcomes. Outsourcing is not just a method of gaining a one-time cost advantage, but an effective strategy for gaining and maintaining competitive advantages when executed as part of an overall sourcing strategy.

NTT DATA's client is seeking a Full Stack Java Developer – Payments Location: Atlanta, GA (Hybrid – 3 days/week mandatory in office) Day to Day Job Duties

• 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

Basic Qualifications (Required skills and minimum experience)

• 8+ years of experience in Java/J2EE application development
• Strong foundation in Core Java, including:
• OOP principles (inheritance, polymorphism, abstraction, encapsulation)
• Collections, multithreading, concurrency, and exception handling
• JVM fundamentals and memory management
• Hands-on experience with Spring / Spring Boot
• Proven experience building and supporting RESTful APIs
• 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
• Ability and willingness to work on-site in Atlanta 3 days per week (mandatory)

Travel Minimal travel expected Degree Bachelor's degree in Computer Science, Engineering, or equivalent practical experience Nice to Have (But Not a Must)

• 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

What We're Looking For Engineers who understand Java fundamentals deeply, not just framework usage Someone who can articulate why a solution works, especially in secure, regulated environments A collaborative team player who values clean, maintainable, and secure code Comfort working in a hybrid, in-office collaborative model About NTT DATA Services: NTT DATA Services is a recognized leader in IT and business services, including cloud, data and applications, headquartered in Texas. As part of NTT DATA, a $30 billion trusted global innovator with a combined global reach of over 80 countries, we help clients transform through business and technology consulting, industry and digital solutions, applications development and management, managed edge-to-cloud infrastructure services, BPO, systems integration and global data centers. We are committed to our clients' long-term success. Visit nttdata.com or LinkedIn to learn more. NTT DATA Services is an equal opportunity employer and considers all applicants without regarding to race, color, religion, citizenship, national origin, ancestry, age, sex, sexual orientation, gender identity, genetic information, physical or mental disability, veteran or marital status, or any other characteristic protected by law. We are committed to creating a diverse and inclusive environment for all employees. If you need assistance or an accommodation due to a disability, please inform your recruiter so that we may connect you with the appropriate team. Where required by law, NTT DATA provides a reasonable range of compensation for specific roles. The starting hourly range for this remote role is ($50 to $62/hour). This range reflects the minimum and maximum target compensation for the position across all US locations. Actual compensation will depend on several factors, including the candidate's actual work location, relevant experience, technical skills, and other qualifications. This position is eligible for company benefits that will depend on the nature of the role offered. Company benefits may include medical, dental, and vision insurance, flexible spending or health savings account, life, and AD&D insurance, short-and long-term disability coverage, paid time off, employee assistance, participation in a 401k program with company match, and additional voluntary or legally required benefits.