Senior Engineer

NTT Ltd; Singapore; Hybrid; SGD 80,000 - 120,000; Full time

Job summary

A leading technology services provider is seeking a Senior Engineer|Java developer to join their team in Singapore. In this role, you'll design and develop scalable backend microservices using Java and Spring Boot, build middleware, and optimize GraphQL APIs. Strong knowledge of Java 11+ and experience with Graph Databases are essential. This position offers opportunities for remote or hybrid work, depending on client needs.

Qualifications

• Strong experience with Java 11+, Spring Boot, and Microservice Architecture is essential.
• Ability to design and develop scalable backend microservices is required.
• Experience with GraphQL APIs and Graph Databases is a plus.

Responsibilities

• Design and develop scalable backend microservices using Java.
• Build and maintain middleware translation layers.
• Collaborate closely with solution architects.

Skills

Java 11+

Spring Boot

Microservice Architecture

GraphQL

Tools

Neo4j

Amazon Neptune

Job description

LocationBangalore, INThis job is associated with 2 categoriesSee all

Req ID: 348533

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-looking organization, apply now.

We are currently seeking a Senior Engineer|Java developer to join our team in Bangalore, Karnātaka (IN-KA), India (IN).

Description

Design and develop scalable backend microservices using Java (Spring Boot) for the Central Linking Solution. Build and maintain a middleware translation layer to enable interoperability between RESTful APIs and OSLC‑compliant interfaces. Implement and optimize GraphQL APIs to serve linked data to consuming applications. Model relationships and persist interconnected artifacts in a Graph Database (Neo4j / Amazon Neptune). Define and implement data federation and synchronization mechanisms between heterogeneous engineering tools. Ensure data integrity, traceability, and semantic alignment across toolchains in the V‑model lifecycle. Collaborate closely with solution architects to define API contracts, schema evolution, and data mapping strategies. Drive backend code quality, performance optimization, and scalability improvements. Mentor developers and contribute to architectural reviews and DevOps automation. Strong experience with Java 11+, Spring Boot, and Microservice Architecture.

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, https://us.nttdata.com/en/contact-us.

NTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of your website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us. 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.