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Fullstack Developer (Java & ReactJS)

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Hybrid

Fullstack Developer (Java & ReactJS)

GECO Asia Pte Ltd

Fullstack Developer (Java & ReactJS)

Skills

DockerReactJavaTesting & QAMicroservicesSpring BootKafkaJavascriptAzure

18 days ago

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Important information


Contract type:

Freelance / Contract

Salary:

SGD 78,000 – SGD 84,000 / year

Location:

Singapore

Work mode:

Hybrid

Published on:

1 October 2026

What they need


About the role

We are looking for a Senior Full Stack Java Developer to design, develop, and support scalable, cloud-native applications. The ideal candidate will have strong expertise in Java, Spring Boot, React, and Kafka, with experience building microservices-based solutions, integrating APIs, and working within modern DevOps and cloud environments. You will collaborate with cross-functional teams to deliver high-quality applications that are secure, reliable, and performance-driven.

Key responsibilities

  • Develop, enhance, and maintain full-stack applications using Java, Spring Boot, and React.
  • Design and implement microservices-based architectures and Kafka-driven event streaming solutions.
  • Build, integrate, and maintain RESTful APIs and backend services.
  • Develop responsive and user-friendly front-end applications using React, JavaScript, HTML, and CSS.
  • Deploy and support applications on Azure Cloud using containerized environments.
  • Build and maintain CI/CD pipelines to enable automated testing and deployment.
  • Collaborate with product owners, architects, QA teams, and other engineers in an Agile environment.
  • Troubleshoot production issues, perform root cause analysis, and implement long-term solutions.
  • Contribute to application performance, scalability, security, and reliability improvements.
  • Follow software engineering best practices, including code reviews, testing, and documentation.

About you

  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.
  • 5+ years of hands-on experience in full-stack software development.
  • Experience delivering enterprise-scale applications in cloud and Agile environments.
  • Strong analytical, problem-solving, communication, and stakeholder management skills.
  • 5+ years of experience in Java development with strong knowledge of object-oriented programming principles.
  • Hands-on expertise in Spring Boot, Microservices Architecture, and Apache Kafka.
  • Strong front-end development experience using ReactJS, JavaScript, HTML, and CSS.
  • Experience designing, building, and consuming REST APIs and integrating enterprise applications.
  • Experience with Azure Cloud services and cloud-native application development.
  • Knowledge of Docker, Git, and CI/CD pipelines for modern software delivery.

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