Backend Developer

United States Digital Space LLC; Singapore; On-site; SGD 77,051 - 115,577; Full time

Job summary

United States Digital Space LLC is hiring in Singapore for a Java Developer position focused on building microservices and maintaining batch processing applications. The ideal candidate will have proficiency in Java, Spring, and AWS, and will engage in unit testing to ensure code quality.

Key responsibilities include developing Java-based solutions and collaborating with Business Analysts for enhancements. A strong background in AWS services and unit testing frameworks is essential for this role.

Qualifications

• Strong proficiency in Java development with experience in Spring, Spring Batch, and Hibernate.
• Experience in AWS environment and configuring ECS task definitions.
• Familiarity with unit testing frameworks like JUnit and Mockito.

Responsibilities

• Develop Java-based microservices to support UI backends and APIs.
• Build batch programs for processing large data volumes.
• Conduct unit testing to ensure high-quality code.

Skills

Java development

Spring

Spring Batch

Hibernate

AWS environment

ECS task definitions

JUnit

Mockito

PowerMock

Job description

Job DescriptionLocation: Singapore

Employment Type: Full-time

Key Responsibilities

• Develop new Java-based microservices to support UI backends and external application APIs
• Build and maintain batch programs to process large data volumes on scheduled runs
• Perform troubleshooting and performance tuning to ensure applications meet required SLAs
• Conduct thorough unit testing to ensure high-quality, reliable code
• Work closely with Business Analysts (BA) to support defect fixes and enhancements

Job Qualifications

Required Skills & Qualifications

• Strong proficiency in Java development, with solid experience using Spring, Spring Batch, Hibernate, and related frameworks
• Experience working in an AWS environment, including configuring ECS task definitions and integrating with AWS services via AWS SDK
• Familiarity with unit testing frameworks such as JUnit, Mockito, and PowerMock

Good to Have

• Experience with React.js and Node.js development
• Exposure to scripting for test automation or data migration
• Experience developing AWS Lambda functions in Python