API BAU Support Engineer

ESPIRE INFOLABS (SINGAPORE) PTE. LTD.

📍 D07 Middle Road, Golden Mile💼 Professional💰 SGD 7,500 – 10,000 / Monthly

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Job Description

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 Code Commit, and Code Pipeline

· 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/Graph QL APIs

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

· Experience with Infrastructure as Code (IaC)

· Proficiency in CI/CD pipelines using GitLab, AWS Code Commit, and Code Pipeline

· 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

Source: MyCareersFuture — Workforce Singapore · Retrieved 2026-11-08 · Not affiliated with or endorsed by Workforce Singapore or MyCareersFuture