Principal Java Engineer – NEXUS Back-End, AWS & Oracle

Xpt Software Australia Pty; Victoria; On-site; AUD 120,000 - 160,000; Full time

Job summary

Xpt Software Australia Pty is seeking a Principal Java / Bespoke Software Engineer to support and develop the NEXUS system for AMSA. You will work with Java, AWS, Oracle, and front-end React interfaces in a small, skilled team.

Responsibilities include enterprise Java development, API design, data modelling, and DevOps advocacy. The role requires strong communication and willingness for on-call duty as part of a roster.

Qualifications

• At least 8 years Java experience with enterprise design patterns (JPA/Hibernate).
• Experience with Java web services (SOAP/REST) and OpenAPI.
• Unix/Linux, Maven, CI/CD and unit/system testing experience.
• Oracle database knowledge and data modelling.

Responsibilities

• Develop enterprise-grade Java software and Oracle back-end components.
• Develop/maintain web UI using ReactJS, CSS and HTML.
• Design data models and implement with Oracle Database.
• Implement CRUD with Java ORM frameworks.
• Create and maintain RESTful/OpenAPI specifications; SOAP/WSDLs.
• Develop and maintain DevOps pipelines using Jenkins, Git, Maven/Ant.
• Support Nexus releases and provide on-call assistance as needed.

Skills

Java

JPA/Hibernate

JEE

Spring Boot

REST APIs

XML/JSON

AWS

Unix/Linux

CI/CD (Jenkins)

Oracle Database

Tools

OpenAPI/Swagger

SOAP/WSDL

Maven/Ant

Git

Jenkins

Job description

Xpt Software Australia Pty is seeking a Principal Java / Bespoke Software Engineer to support and develop the NEXUS system for AMSA. You will work with Java, AWS, Oracle, and front-end React interfaces in a small, skilled team.

Responsibilities include enterprise Java development, API design, data modelling, and DevOps advocacy. The role requires strong communication and willingness for on-call duty as part of a roster.