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- 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
- 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
Key Skills
Ranked by relevance
aws
java
microservices
spring boot
grafana
gitlab
cloud
cicd
ecs
identity and access management
infrastructure as code
high availability
oracle
sql
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- Posted
- Jun 13, 2026
- Type
- Full-time
- Level
- Not Applicable
- Location
- Singapore
- Company
- Unison Group
Industries
IT Services
IT Consulting
Categories
Information Technology
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