JAVA Backend Developer with API Expertise at Unison Group

Singapore, , Singapore -

Full Time

Start Date

Immediate

Expiry Date

04 Oct, 26

Salary

0.0

Posted On

06 Jul, 26

Experience

10 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Java 17+, Spring Boot 3.x, AWS, Microservices, REST API, GraphQL, MuleSoft, Okta, Docker, Kubernetes, GitLab, SQL, Oracle, Grafana, CloudWatch, CI/CD

Industry

Business Consulting and Services

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 • Experience with containerization and orchestration (Docker, Kubernetes) • Exposure to security best practices in cloud environments • Familiarity with Agile/Scrum methodologies • Strong problem-solving and analytical skills • Ability to work in a fast-paced BAU support environment ROLE PROFILE • Excellent communication and stakeholder management skills • Proactive mindset with ownership of production system • 8+ years of 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 • 3+ years of experience with Okta for authentication/authorization • 3+ years of experience with MuleSoft for API integration

Responsibilities

Provide BAU support and enhancement for Java-based microservices and APIs within a cloud-native AWS environment. Ensure system stability, performance, and reliability through monitoring, troubleshooting, and continuous improvement initiatives.