NCS is a leading AI Tech Services company. With a 15,000-strong team across the Asia Pacific, NCS scales its platforms and capabilities to provide clients with greater agility and AI expertise across a range of Industries. Embracing a strong ecosystem of global partners, NCS transforms technology services delivery combining AI with digital resilience to drive real business impact. NCS is a subsidiary of the Singtel Group.

Design, develop, maintain, and support large-scale enterprise single-sign-on applications using java with a strong focus on performance, availability, security, and resilience. Collaborate closely with architects, business analysts, and project managers to deliver robust and secure systems on schedule. Mentor junior developers, conduct code reviews, and contribute to best practices, process improvements, and overall system performance.

What will you do?

• Analyze business and technical requirements for Java-based applications.
• Design, develop, and implement enterprise single-sign-on solutions using Java frameworks and tools.
• Perform unit, integration, and system testing to ensure application quality and functionality.
• Troubleshoot and resolve issues across development, testing, and production environments.
• Collaborate with architects and analysts to ensure alignment with design and architecture standards.
• Ensure compliance with coding standards, quality practices, and security guidelines.
• Prepare and maintain technical documentation and specifications.
• Support system deployment, releases, and production operations.
• Conduct peer code reviews to ensure high-quality deliverables.

The ideal candidate should possess:

Due to security clearance requirements for government-linked projects, this position is open to Singapore Citizens only.

• Diploma or degree in Computer Science, Information Technology, or a related discipline.
• Experienced in working in government related projects.
• Experienced of software development experience with full SDLC exposure.
• Strong proficiency in Java (11–21), Spring Boot, and the Spring Framework, with experience in modern relational databases (MSSQL, MySQL, RDS) and secure coding practices.
• Proficient in Linux and Windows shell scripting for application deployment across both environments.
• Hands-on experience in system analysis, troubleshooting, and performance tuning.
• Skilled in development and CI/CD tools such as Git, Maven/Gradle, and Jenkins.
• Strong analytical and problem-solving abilities.
• Good communication, teamwork, and collaboration skills.
• Self-motivated with strong initiative and ownership.
• Service-oriented with a customer-focused mindset.
• Experience with Apereo CAS SSO, Singpass, Corppass, IdP, SAML2, and OIDC protocols.
• Knowledge of cloud platforms and container technologies (AWS, Azure, Kubernetes).
• Oracle Certified Professional (Java) Preferred.

We are driven by our AEIOU beliefs—Adventure, Excellence, Integrity, Ownership, and Unity—and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.

Together, we make the extraordinary happen.

Learn more about us at ncs.co and visit our LinkedIn career site.

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