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API BAU Support Engineer

Company

Unison Group

Location

Singapore, Singapore

Posted

June 18, 2026

Position Overview

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...

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