· 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
Other open roles at Unison Group(6)
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Key team members

Gibran Duarte

Jiin Choi

Rajini Navaretnam
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