API BAU Support Engineer
7500 - 12500 SGDNEARSOURCE PTE. LTD.
Responsibilities
• 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 to Have
• Experience with containerization and orchestration (Docker,
Kubernetes)
• Exposure to security best practices in cloud environments • Familiarity
with Agile/Scrum methodologies
Soft Skills
• Strong problem-solving and analytical skills
• Ability to work in a fast-paced BAU support environment
• Excellent communication and stakeholder management skills
• Proactive mindset with ownership of production system
Requirements • 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
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