Software Engineer [Java Core]

NCS Group; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

NCS Group in Singapore is seeking a detail-oriented Software Engineer with strong Java Core expertise to design, develop, and maintain robust Java applications in a team-driven environment.

You will work with cross-functional teams to translate requirements into scalable technical solutions, review code, optimize performance, and contribute to system design decisions, while staying current with industry trends in Java technologies.

Qualifications

• 3+ years of professional Java development experience.
• Strong understanding of OOP, data structures and algorithms.
• Experience with RESTful APIs and HTTP protocols.
• Familiarity with SQL and relational databases.
• Proficiency in unit testing and code quality practices.
• Experience with version control and collaborative workflows.
• Excellent communication and teamwork abilities.

Responsibilities

• Develop, test, and maintain high-quality Java applications using core Java technologies.
• 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 ensure quality and consistency.
• Collaborate with product managers and stakeholders to translate requirements into technical specifications.
• Troubleshoot and debug production issues, analyzing root causes and implementing solutions.
• Participate in architectural discussions and contribute to system design decisions.
• Optimize application performance through profiling and targeted improvements.
• Maintain comprehensive documentation of code, systems, and processes for knowledge sharing.
• Stay current with industry best practices and emerging Java technologies.

Skills

Core Java

OOP Principles

Data Structures & Algorithms

Git & CI/CD workflows

Unit Testing (JUnit/Mockito)

SQL

REST API

Maven/Gradle

Communication

Tools

Git

JUnit/Mockito

Maven/Gradle

Spring Framework

Docker

Kubernetes

Job description

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.

Responsibilities

• 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

• 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 mindsetExcellent 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.