Backend Java Engineer: REST APIs & Microservices

NEWTONE CONSULTING PTE. LTD.; Singapore; On-site; SGD 81,000 - 97,000; Full time

Job summary

NEWTONE CONSULTING PTE. LTD. is seeking a backend Java developer to design, build, and maintain scalable services. You will create RESTful APIs and microservices, participate in architecture discussions, and ensure performance and reliability across systems.

Qualifications include a bachelor’s in IT and at least 3 years of Java development, with experience in OO design and REST API work. Familiarity with IBM MQ or Kafka is a plus; financial or public sector exposure is a plus.

Qualifications

• Bachelor's degree in IT or equivalent.
• Minimum 3 years of Java-based development with architectural knowledge.
• Experience with messaging tools like IBM MQ or Kafka is a plus.
• Experience with backend systems using object-oriented design principles.
• Experience with RESTful API development.

Responsibilities

• Design, develop, and maintain backend applications using Java and related technologies.
• Build RESTful APIs and microservices to support web and mobile applications.
• Participate in system architecture, design discussions, and code reviews.
• Optimize application performance, scalability, and reliability.
• Integrate with databases, third-party systems, and messaging platforms.
• Write clean, maintainable, and testable code following best practices.
• Perform unit testing, integration testing, and support UAT/production releases.
• Troubleshoot and resolve production issues.
• Collaborate with frontend developers, DevOps engineers, QA, and business stakeholders

Skills

Java

RESTful API development

OO design principles

Testing concepts

Education

Bachelor's degree in Information Technology

Tools

IBM MQ

Kafka

Job description

NEWTONE CONSULTING PTE. LTD. is seeking a backend Java developer to design, build, and maintain scalable services. You will create RESTful APIs and microservices, participate in architecture discussions, and ensure performance and reliability across systems.

Qualifications include a bachelor’s in IT and at least 3 years of Java development, with experience in OO design and REST API work. Familiarity with IBM MQ or Kafka is a plus; financial or public sector exposure is a plus.