Senior Java Microservices API Engineer on AWS

FPT Asia Pacific Pte Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

FPT Asia Pacific Pte Ltd is seeking an experienced Java Backend Developer to design, develop, and maintain scalable backend services, APIs, and microservices within a cloud-native AWS environment. The role focuses on robust, secure, high-performing backend solutions, integrating with enterprise systems, and continuously improving reliability, scalability, security, and performance.

You will contribute to production support, troubleshooting, incident resolution, and continuous improvement of

Qualifications

• 7+ years of Java backend development experience.
• Strong hands-on experience with Java 17+ and Spring Boot 3.x.
• Strong experience developing microservices and REST/GraphQL APIs.
• Hands-on experience with AWS services, particularly ECS, EC2, and RDS.
• Experience with CI/CD tools and platforms, including GitLab, AWS CodeCommit, and AWS CodePipeline.
• Experience with Infrastructure-as-Code and cloud deployment.
• Strong knowledge of SQL, Oracle, and relational databases.
• Experience with Okta authentication and authorisation.
• Experience with MuleSoft and API integrations.
• Good understanding of cloud security, monitoring, application performance, and scalable application design.

Responsibilities

• Design and develop Java-based microservices and REST/GraphQL APIs using Java 17+ and Spring Boot 3.x.
• Build scalable, secure, and high-performance backend applications and services.
• Develop integrations with MuleSoft, Okta, and other enterprise systems.
• Deploy and manage applications on AWS services, including ECS, EC2, and RDS.
• Develop and maintain CI/CD pipelines using GitLab, AWS CodeCommit, and AWS CodePipeline.
• Implement Infrastructure-as-Code (IaC) and support cloud deployment activities.
• Work with SQL and Oracle databases, including query optimisation and application performance tuning.
• Monitor and troubleshoot applications using Grafana and AWS CloudWatch.
• Participate in production support, incident resolution, root cause analysis (RCA), and continuous improvement initiatives.
• Collaborate with architects, DevOps, QA, and business teams throughout the software development lifecycle (SDLC).

Skills

Java

Spring Boot

Microservices

APIs (REST/GraphQL)

AWS

CI/CD

SQL & Oracle

Okta

MuleSoft

Security & Monitoring

Tools

GitLab

AWS CodeCommit

AWS CodePipeline

Grafana

CloudWatch

ECS

EC2

RDS

Terraform

CloudFormation

Job description

FPT Asia Pacific Pte Ltd is seeking an experienced Java Backend Developer to design, develop, and maintain scalable backend services, APIs, and microservices within a cloud-native AWS environment. The role focuses on robust, secure, high-performing backend solutions, integrating with enterprise systems, and continuously improving reliability, scalability, security, and performance.

You will contribute to production support, troubleshooting, incident resolution, and continuous improvement of