# Java Backend Engineer

> Unison Group · Singapore, Singapore · — · Posted 2026-06-12

**Salary:** SGD 84,000–96,000

**Workplace:** on_site

**Department:** Bharat

## 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 middleware support

·        Ensure adherence to best practices in coding, security, and performance optimization

·        Participate in incident management, root cause analysis, and continuous improvement initiatives

## Requirements

·        Good experience in Java backend development

·        Strong expertise in Java 17+ and Spring Boot 3.x

·        Proven experience in building and supporting microservices and REST/GraphQL APIs

·        Hands-on experience with AWS services: ECS, EC2, RDS

·        Experience with Infrastructure as Code (IaC)

·        Proficiency in CI/CD pipelines using GitLab, AWS CodeCommit, and CodePipeline

·        Strong knowledge of SQL, Oracle and relational databases

·        Experience with monitoring and logging tools such as Grafana and AWS CloudWatch

·       Good experience with Okta for authentication/authorization and MuleSoft for API integration

## Apply

[Apply at Unison Group](https://apply.workable.com/unisongroup/j/72FFCA4970/apply)

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