Full Stack Java Developer

Job Summary 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 Responsibilities (What this person will do on a daily/weekly basis) 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 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 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 Benefits & Compensation 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. EEO Statement NTT DATA Services is an equal opportunity employer and considers all applicants without regard 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. #J-18808-Ljbffr