Java Backend Developer – AWS & Microservices

Hiring: Java Backend Developer – AWS & Microservices

📍 Location: Singapore | Experience: 7+ Years

About the Role

We are looking for an experienced Java Backend Developer to build and maintain scalable, secure, and high-performance backend services, APIs, and microservices in an AWS cloud environment.

Key Responsibilities

• Develop microservices and REST/GraphQL APIs using Java 17+ and Spring Boot 3.x.
• Build enterprise integrations with MuleSoft, Okta, and third-party systems.
• Deploy and manage applications on AWS ECS, EC2, and RDS.
• Develop CI/CD pipelines using GitLab, AWS CodePipeline, and CodeCommit.
• Work with SQL/Oracle, optimize queries, and improve application performance.
• Monitor and troubleshoot applications using Grafana and AWS CloudWatch.
• Handle production support, incident resolution, and root cause analysis (RCA).
• Collaborate with architecture, DevOps, QA, and business teams throughout the SDLC.

Required Skills

• 7+ years of Java backend development experience.
• Strong hands-on expertise in Java 17+, Spring Boot 3.x, microservices, and REST/GraphQL APIs.
• AWS experience with ECS, EC2, and RDS.
• CI/CD, Infrastructure as Code (IaC), and cloud deployment.
• Strong SQL/Oracle database knowledge and query optimization.
• Experience with Okta authentication/authorization and MuleSoft integrations.
• Understanding of cloud security, monitoring, scalability, and performance optimization.
• Good to have: Docker, Kubernetes, and Agile/Scrum experience.
• Strong problem-solving, communication, and production ownership skills.