Senior Java & Spring Boot Cloud Microservices Engineer

EXASOFT PTE. LTD.; Singapore; On-site; SGD 200,000 - 320,000; Full time

Job summary

EXASOFT PTE. LTD. is seeking a senior software engineer to develop and maintain scalable enterprise applications using Java and Spring Boot.

You will design microservices, REST APIs, and event-driven services with Kafka, and build cloud-based solutions on AWS (Lambda, API Gateway, ECS/EKS, RDS/Aurora). You will optimize databases (PostgreSQL, SQL, Hibernate/JPA, DynamoDB) and implement security with Spring Security, IAM, and KMS.

Qualifications

• 14+ years of strong experience in software development and enterprise application development.
• Bachelor’s degree in computer science, Information Technology, Engineering, or a related technical discipline.
• Strong hands-on experience with Java and Spring Boot, Hibernate, Gradle etc.
• Strong experience developing microservices and REST APIs.
• Strong experience with AWS cloud services, particularly Lambda, API Gateway, ECS/EKS, and RDS/Aurora.
• Hand on experience in CloudWatch, Athena, SNS, RDS, Route53 etc.
• Strong experience with Kafka and event-driven architecture.
• Strong experience in Terraform, SonarQube.
• Strong experience with SQL/PostgreSQL and Hibernate/JPA.
• Strong experience with Docker and Kubernetes/EKS.
• Strong experience with Spring Security, IAM, and cloud security practices.
• Strong experience with GitLab CI/CD, Jenkins, Maven, and Gradle.
• Strong experience with JUnit and Mockito for automated testing.
• Strong experience in banking, financial services, insurance, or other enterprise applications.

Responsibilities

• Develop and maintain scalable applications using Java and Spring Boot.
• Design and develop microservices and REST APIs for enterprise applications.
• Build and integrate event-driven services using Kafka and messaging platforms.
• Develop cloud-based applications using AWS Lambda, API Gateway, ECS/EKS, S3, and RDS/Aurora.
• Design and optimize database solutions using PostgreSQL, SQL, Hibernate/JPA, and DynamoDB.
• Implement application security using Spring Security, IAM, KMS, and authentication mechanisms.
• Develop containerized applications using Docker and Kubernetes/EKS.
• Implement automated build, testing, and deployment using GitLab CI/CD, Jenkins, Maven, and Gradle.
• Develop and maintain unit and integration tests using JUnit and Mockito and troubleshoot application issues.
• Collaborate with technical and business teams to deliver reliable, scalable, and secure software solutions.

Skills

Java

Spring Boot

REST APIs

Microservices

Kafka

Cloud security

CI/CD

Education

Bachelor’s degree in CS/IT/Engineering

Tools

Hibernate/JPA

Gradle

AWS (Lambda, API Gateway, ECS/EKS, RDS/Aurora)

PostgreSQL

DynamoDB

Docker

Kubernetes/EKS

Spring Security

IAM/KMS

GitLab CI/CD

Jenkins

Maven

JUnit/Mockito

Terraform

SonarQube

Job description

EXASOFT PTE. LTD. is seeking a senior software engineer to develop and maintain scalable enterprise applications using Java and Spring Boot.

You will design microservices, REST APIs, and event-driven services with Kafka, and build cloud-based solutions on AWS (Lambda, API Gateway, ECS/EKS, RDS/Aurora). You will optimize databases (PostgreSQL, SQL, Hibernate/JPA, DynamoDB) and implement security with Spring Security, IAM, and KMS.