Java Core Engineer: Build Robust, Scalable Apps

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

Job summary

NCS in Singapore is seeking a detail-oriented Software Engineer with core Java expertise to design, develop, and maintain robust Java applications. You will collaborate with cross-functional teams to deliver scalable solutions that meet business objectives.

The role emphasizes code quality, architecture, and performance, with opportunities to work on government-linked projects (citizens only) and modern Java technologies, Spring Framework, and cloud platforms.

Qualifications

• 3+ years of professional Java development experience.
• Strong OOP and design pattern knowledge.
• Solid data structures, algorithms, and complexity understanding.
• Experience with Git and collaborative workflows.
• JUnit/Mockito experience and TDD practices.
• SQL knowledge and relational database design.
• Experience developing RESTful APIs and HTTP.
• Maven or Gradle build tools.
• Strong problem-solving and analytical mindset.
• Excellent communication and teamwork abilities.

Responsibilities

• Develop, test, and maintain high-quality Java applications.
• Design efficient algorithms and data structures.
• Write clean, well-documented code following standards.
• Conduct code reviews to ensure quality and consistency.
• Translate requirements into technical specs with stakeholders.
• Troubleshoot production issues and find root causes.
• Contribute to system design decisions in architecture discussions.
• Profile and optimize application performance.
• Document code, systems, and processes for knowledge sharing.
• Stay current with Java technologies and best practices.

Skills

Java development

Core Java

OOP & design patterns

Data structures & algorithms

Git version control

JUnit & Mockito

SQL & relational DB

REST APIs

Maven/Gradle

Problem-solving

Communication

Tools

Spring Framework

Spring Boot

Docker

Kubernetes

CI/CD tools

AWS/Azure/GCP

Job description

NCS in Singapore is seeking a detail-oriented Software Engineer with core Java expertise to design, develop, and maintain robust Java applications. You will collaborate with cross-functional teams to deliver scalable solutions that meet business objectives.

The role emphasizes code quality, architecture, and performance, with opportunities to work on government-linked projects (citizens only) and modern Java technologies, Spring Framework, and cloud platforms.