Systems Integration Specialist (Any NTT location, KA, IN)

Req ID: 360959 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Systems Integration Specialist to join our team in Any NTT location, Karnātaka (IN-KA), India (IN). Java Developer : Design and develop Spring Boot–based REST APIs aligned with defined architectural and governance standards. Support migration of legacy APIs and services to modern microservices-based architectures. Implement integration patterns including synchronous REST, asynchronous messaging, and event-driven workflows . Ensure API compliance with standards covering versioning, documentation (OpenAPI/Swagger), and security policies. Write clean, maintainable, and testable code following secure coding best practices. Expertise in development on Java 11+/17+, REST API, JSONs, Spring boot, Spring Data . Implement authentication and authorization mechanisms such as OAuth2, JWT, and OIDC using Spring Security . Integrate APIs with relational (PostgreSQL, MySQL, Oracle) and/or NoSQL databases . Work with messaging systems such as Kafka or RabbitMQ for event-driven communication. Contribute to CI/CD pipelines and DevOps automation using tools like Jenkins, GitLab CI, or GitHub Actions . Develop unit, integration, and contract tests using frameworks such as JUnit, Mockito, or Testcontainers . Troubleshoot performance, scalability, and production issues in distributed and containerized environments. Collaborate closely with architects, DevOps engineers, QA teams, and product stakeholders in Agile environments. Utilize Git for version control and apply basic Docker knowledge for containerized deployments. Apply strong analytical and problem-solving skills while adhering to coding standards and architectural guidelines. Deliver secure, scalable, and high-quality APIs with strong test coverage, minimal production defects, and timely contribution to API migration milestones. Strong analytical and problem-solving skills, clear communication and collaboration mindset and Attention to detail and code quality. About NTT DATA NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D. Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, . NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here . If you'd like more information on your EEO rights under the law, please click here . For Pay Transparency information, please click here .