Software Engineer [Java Core]

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.

Job Description

We are seeking a detail-oriented and analytical Software Engineer with expertise in Java Core to join our engineering team in Singapore. In this role, you will design, develop, and maintain robust Java applications while adhering to best practices in software architecture and code quality. You will work collaboratively with cross-functional teams to deliver efficient, scalable solutions that meet our business objectives.

What will you do?

Develop, test, and maintain high-quality Java applications using core Java technologies and frameworks

Design and implement efficient algorithms and data structures to solve complex technical problems

Write clean, well-documented code following established coding standards and design patterns

Conduct code reviews and provide constructive feedback to team members to ensure code quality and consistency

Collaborate with product managers and stakeholders to understand requirements and translate them into technical specifications

Troubleshoot and debug production issues, analyzing root causes and implementing effective solutions

Participate in architectural discussions and contribute to system design decisions

Optimize application performance through profiling, analysis, and implementation of performance improvements

Maintain comprehensive documentation of code, systems, and processes for knowledge sharing

Stay current with industry best practices and emerging Java technologies

Qualifications

The ideal candidate should possess

3+ years of professional experience in Java development with strong core Java expertise

Advanced proficiency in object-oriented programming (OOP) principles and design patterns

Solid understanding of data structures, algorithms, and computational complexity

Experience with version control systems (Git) and collaborative development workflows

Proficiency in unit testing frameworks (JUnit, Mockito) and test-driven development practices

Knowledge of SQL and relational database design

Experience developing RESTful APIs and understanding of HTTP protocols

Familiarity with build tools such as Maven or Gradle

Strong problem-solving skills and analytical mindset

Excellent communication and teamwork abilities

Preferred Skills and Experience:

Experience with Spring Framework and Spring Boot

Knowledge of microservices architecture and distributed systems

Familiarity with CI/CD pipelines and DevOps practices

Experience with cloud platforms (AWS, Azure, or Google Cloud Platform)

Understanding of multithreading, concurrency, and asynchronous programming

Exposure to Agile/Scrum development methodologies

Experience with containerization technologies (Docker, Kubernetes)

Knowledge of message queues and event-driven architecture

Additional Information

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

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

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