Senior Java Architect (Baseline Clearance) for NEXUS Backend

Xpt Software Australia Pty Ltd; Canberra; On-site; AUD 180,000 - 260,000; Full time

Job summary

XPT Software Australia Pty Ltd in Canberra is seeking a Principal Java Developer to support and develop the NEXUS system used by AMSA’s RCCA. The role focuses on Java/Oracle back-end components, AWS cloud integration, and front-end UI work with ReactJS.

You will join a small team of skilled developers and SMEs delivering enterprise-grade solutions in a security-clearance environment. Key duties include building Java EE components, OpenAPI specifications, and DevOps pipelines with Jenkins, Git,

Qualifications

• Eight+ years of Java development experience in enterprise environments.
• Experience with Java EE/JEE, ORM (Hibernate), and data modeling.
• Strong knowledge of REST and SOAP web services, OpenAPI, and XML/JSON.
• Proficiency with AWS cloud components and DevOps tooling (Jenkins, Git, Maven).
• Experience with Oracle databases and SQL performance considerations.

Responsibilities

• Develop enterprise-grade software using Java and Oracle stack.
• Maintain and enhance NEXUS components and cloud/backend services.
• Design data models and implement using Oracle Database.
• Create and maintain RESTful and SOAP services, OpenAPI specs, and data schemas.
• Support 24x7 on-call to resolve critical incidents when required.

Skills

Java

Spring Boot

Hibernate

REST APIs

SOAP/WSDL

OpenAPI

AWS

Oracle DB

Unix/Linux

CI/CD

Tools

Jenkins

Git

Maven

Ant

Oracle SQL

Job description

XPT Software Australia Pty Ltd in Canberra is seeking a Principal Java Developer to support and develop the NEXUS system used by AMSA’s RCCA. The role focuses on Java/Oracle back-end components, AWS cloud integration, and front-end UI work with ReactJS.

You will join a small team of skilled developers and SMEs delivering enterprise-grade solutions in a security-clearance environment. Key duties include building Java EE components, OpenAPI specifications, and DevOps pipelines with Jenkins, Git,