SalaryPeak

Java Backend Engineer - Contract

NTT SINGAPORE PTE. LTD.
Singapore 3+ years Posted Apr 7, 2026

Salary Range

SGD 72,000 - SGD 90,000 /year

SGD 6,000 - SGD 7,500/month

Skills Required

Machine LearningMongoDBmaintenance upgradesScalabilityJava 8DiagnosticsSpringAutomated Software TestingTest CasesSpring BootJava - CoreCore JavaSpring BatchDockerJavaTest DevelopmentGo-live supportAPIonline dashboard

Job Description

Project Summary:

Application Spring Boot Upgrade & DMRDashboard Development with Java Backend Engineers.


Project Goals:

  • Ensure the seamless and stable transition into go-live state for the 2 mentioned tracks.
  • Validate application functionality through auto and manual regression testing.
  • Identify,diagnose, and resolve any issues arising from the upgrades.
  • Develop and implement the new Dashboard backend APIs
  • Maintain accurate and complete records of all testing and development artifacts.

Project Scope (Revised): The project primarily involves:

  • Manual Regression Testing: Execution of approximately 2200 manual regression test cases within Zephyr to validate the Integrated Workbench application.
  • Troubleshooting and Issue Resolution: Investigating and addressing application defects and performance issues related to the Spring Boot upgrade, including root cause analysis and implementing effective solutions.
  • Code Remediation: Developing and applying necessary code fixes or minor enhancements to the Integrated Workbench application to address identified defects stemming from the upgrade.
  • DMR Dashboard Development: Designing, developing, and implementing the new DMR Dashboard using Java backend technologies.
  • Artifact Management: Ensuring proper archiving of all testing artifacts, code changes, and documentation in accordance with established procedures.
  • Collaboration: Working in close conjunction with existing development and QA teams to facilitate a smooth upgrade process and achieve high-quality application delivery.

Project Outcome:

  • Execute and capture all test artifacts in the relevant Zephyr ticket.
  • Achieve 100% pass for all related test cases.
  • Support go-live for the Spring Boot Upgrade.
  • Successful development and deployment of the DMR Dashboard.

Required Skillset:

Java – Spring Framework/Hibernate, Strong backend development experience, Tools– Zephyr, Jira. Experience with dashboard development would be a plus