Senior Java Architect - Nexus Backend & AWS Platform

XPT Software Australia; Canberra; On-site; AUD 120,000 - 170,000; Full time

Job summary

XPT Software Australia is seeking a Principal Java / Bespoke Software Engineer (Developer) to support and enhance our NEXUS-based systems used by AMSA's RCCA. You will contribute to backend Java, AWS, and Oracle components, and collaborate with a small team of skilled Java/NET SME's.

The role focuses on enterprise-grade development, REST/SOAP services, data modelling in Oracle, and DevOps using Jenkins, Git, and Maven. You will provide on-call support and advise the Applications Director & CIO.

Qualifications

• Excellent verbal and written communication skills.
• At least 8 years Java experience, enterprise design patterns, JPA, Hibernate ORM, JEE an advantage, reactive programming an advantage.
• Java Web service development, SOAP and REST APIs, OpenAPI/XSD Schemas, XML/JSON, Spring/SpringBoot.
• Unix/Linux, Bash.
• Maven lifecycle management, Continuous Integration, Unit and System Integration testing.
• Major database experience, including data modelling, stored procedures. Oracle preferred.
• Willingness to be 24x7 on-call. Historically calls escalated to the dev team between 10pm and 6am are rare one per year.
• AWS development (EC2, Lambdas, API Gateway, S3/SQS, Cloud Formation).

Responsibilities

• Develop enterprise‑grade software using Java and Oracle technologies.
• Develop / maintain web‑based UI using ReactJS, CSS and HTML.
• Design data models, translate to physical data models and implement using Oracle Database.
• Implement CRUD operations on the database using Java Object‑Relational Mapping frameworks.
• Produce and maintain detailed design artefacts & technical specifications.
• Create and work with RESTful OpenAPI specifications, SOAP WSDLs, XML Schemas.
• Develop and maintain DevOps workflows using Jenkins, Git and Maven & Ant.
• Perform and build Nexus software releases following established processes.
• Providing advice and support for Applications Director & CIO.
• Provision of on‑call services as part of a team roster (calls are rare one per year).

Skills

Communication skills

Java development

Unix/Linux Bash

Maven CI

OpenAPI/REST

Tools

Jenkins

Git

Maven/Ant

Oracle Database

AWS

ReactJS

SOAP/ WSDL

OpenAPI/Swagger

Job description

XPT Software Australia is seeking a Principal Java / Bespoke Software Engineer (Developer) to support and enhance our NEXUS-based systems used by AMSA's RCCA. You will contribute to backend Java, AWS, and Oracle components, and collaborate with a small team of skilled Java/NET SME's.

The role focuses on enterprise-grade development, REST/SOAP services, data modelling in Oracle, and DevOps using Jenkins, Git, and Maven. You will provide on-call support and advise the Applications Director & CIO.