API BAU Support Engineer

Unison Group
📍 Singapore, Singapore, Singapore 💼 Full-time 🕒 Posted June 24, 2026

Job Description

We are looking for a Senior Java Backend Engineer to support and enhance our API and microservices ecosystem in a cloud-native AWS environment. This role focuses on BAU (Business-As-Usual) support, ensuring system stability, performance, and continuous improvement of backend services.

• Provide BAU support for Java-based microservices and APIs, ensuring high availability and reliability

• Design, develop, and maintain scalable microservices using Java (17+) and Spring Boot (3.x)

• Manage and support cloud infrastructure on AWS (ECS, EC2, RDS)

• Monitor system performance and troubleshoot issues using tools like Grafana and CloudWatch

• Implement and maintain CI/CD pipelines using GitLab, AWS CodeCommit, and CodePipeline

• Collaborate with cross-functional teams to resolve production issues and deploy enhancements

• Support integration with identity and access management systems (Okta)

• Work with MuleSoft for API integrations and middl...

Ready to Apply?

Submit your application today and join our talented team at Unison Group.

Submit Application

Job Details

  • Location Singapore, Singapore
  • Job Type Full-time
  • Category Computer Occupations
  • Posted Date June 24, 2026
  • Application Deadline August 03, 2026