Senior Software Engineer - JAVA (Ref 26519)

United States Digital Space LLC; Singapore; On-site; SGD 81,244 - 97,315; Full time

Job summary

United States Digital Space LLC in Singapore seeks an experienced Java developer to design, build and optimize cloud-ready applications. You will collaborate on migrating existing apps to AWS and implement modern DevOps practices.

The role requires strong Java (8+), Spring expertise, WebLogic/JBoss familiarity, and CI/CD—aiming for scalable, secure cloud-native solutions.

Qualifications

• Degree in Computer Science, Computer Engineering, or equivalent.
• 5+ years of experience in Java development (Java 8+).
• Knowledge of Spring Boot, Spring MVC, Spring Security, Spring AOP, API integration (SOAP/REST).
• Experience with WebLogic deployment/administration and data sources/JMS persistence.
• Familiarity with Oracle/PostgreSQL via Spring Data JPA/Hibernate/JDBC.
• Experience with AWS cloud-native services (EC2, S3, Lambda, SQS, RDS).
• Experience with CI/CD tools (Jenkins, GitLab CI, Bamboo, CircleCI).
• Knowledge of IaC tools (Terraform or CloudFormation).
• Experience with RH JBoss EAP and IBM WebSphere deployment.

Responsibilities

• Design and develop robust and scalable applications using modern development languages and frameworks.
• Collaborate with cross-functional teams to migrate existing applications to the AWS Cloud platform.
• Deep understanding of Java based applications, cloud computing and modern DevOps practices.
• Optimize applications for cloud-native architecture and leverage AWS services for enhanced functionality.
• Identify and address performance bottlenecks in applications, ensuring optimal performance in the cloud environment.
• Conduct regular code reviews to ensure adherence to coding standards and best practices.
• Monitor and optimise applications in the cloud, ensuring they meet performance, security, and compliance standards.

Skills

Java development

Spring Framework

AWS Cloud

WebLogic Administration

J2EE

Unit testing (JUnit)

CI/CD

Terraform / CloudFormation

REST/SOAP APIs

Education

Bachelor's degree in Computer Science or equivalent

Tools

WebLogic Server

Git

Gradle

JUnit

SOAP/REST

Hibernate/JPA

Job description

Responsibilities

• Design and develop robust and scalable applications using modern development languages and frameworks.
• Collaborate with cross-functional teams to migrate existing applications to the AWS Cloud platform.
• Deep understanding of Java based applications, cloud computing and modern DevOps practices.
• Optimize applications for cloud-native architecture and leverage AWS services for enhanced functionality.
• Identify and address performance bottlenecks in applications, ensuring optimal performance in the cloud environment.
• Conduct regular code reviews to ensure adherence to coding standards and best practices.
• Monitor and optimise applications in the cloud, ensuring they meet performance, security, and compliance standards.

Requirements

• Degree in Computer Science, Computer Engineering or equivalent.
• At least 5 years of experience in Java development (Java 8 and above, J2EE, EJB, Spring Framework, etc.,)
• Knowledge of and Spring framework, specifically in Spring Boot, Spring MVC, Spring Security, Spring AOP, and API integration with SOAP and RESTful webservices
• Knowledge in JAXB and Java Security API
• Experience with application deployment in WebLogic Server, including administration and configuration for managed servers, data sources and JMS persistence stores
• Familiarity with database integration to Oracle DB and PostgreSQL using Spring Data JPA, Hibernate, JDBC
• Experience in installing and configuration of 12c WebLogic server.
• Experience in deploying batch jobs in WebLogic server.
• Knowledge on asynchronous messaging queues
• Knowledge in Ehcache
• Knowledge in unit testing with JUnit
• Knowledge in building and version control with Git, Gradle, Apache Ant
• Hands‑on experience with AWS Cloud‑native services (e.g. EC2, S3, Lambda, SQS, RDS, Kubernates, API Gateway.)
• Hands‑on experience with CI/CD tools like Jenkins, GitLab CI, Bamboo or Circle CI
• Familiarity with IaC tools like Terraform or CloudFormation
• Experience with application deployment and managing of RH JBoss EAP Server and IBM WebSphere.

Licence no: 12C6060

Pay: Up to $8,000.00 per month

Work Location: In person