Principal Java Engineer – Enterprise API & AWS Backend

Xpt Software Australia Pty; Tamworth Regional Council; On-site; AUD 120,000 - 180,000; Full time

Job summary

Xpt Software Australia Pty in Tamworth region seeks a Principal Java / Bespoke Software Engineer (Developer) with Baseline security clearance. You will support NEXUS backend services, Java EE components, AWS integrations and Oracle databases, within a small team of Java and .NET SMEs.

Responsibilities include designing data models, implementing RESTful APIs, maintaining DevOps workflows, and contributing to release processes. On-call duties are occasional; strong communication is essential.

Qualifications

• 8+ years of Java development experience in enterprise environments.
• Experience with Java EE/JMS and Hibernate ORM.
• Proficient in RESTful services, SOAP, OpenAPI, and XML schemas.
• Experience with AWS cloud components for backend integrations.
• Strong Unix/Linux and Bash scripting.

Responsibilities

• Develop enterprise-grade software using Java and Oracle technologies.
• Develop and maintain RESTful services and APIs.
• Design data models and implement using Oracle Database.
• Create and maintain design artefacts and technical specifications.
• Provide on-call support and incident response as part of a roster.
• Assist with Nexus software releases and DevOps workflows.
• Support and maintain Nexus cloud and back-end components.
• Collaborate with a cross-functional team of Java and .NET developers.

Skills

Java

JPA / Hibernate

Spring / SpringBoot

REST APIs

SOAP

OpenAPI / XSD

XML / JSON

Oracle Database

AWS (EC2, Lambda, API Gateway)

Unix/Linux

Maven / CI

Unit / System Testing

JEE / JMS

CI/CD

Tools

Jenkins

Git

Maven

Ant

Job description

Xpt Software Australia Pty in Tamworth region seeks a Principal Java / Bespoke Software Engineer (Developer) with Baseline security clearance. You will support NEXUS backend services, Java EE components, AWS integrations and Oracle databases, within a small team of Java and .NET SMEs.

Responsibilities include designing data models, implementing RESTful APIs, maintaining DevOps workflows, and contributing to release processes. On-call duties are occasional; strong communication is essential.