Job Description

Job Title: Principal Java/Bespoke Software Engineer (Developer)

Security Clearance: Baseline

Duration: Initial 12 months with 2 x 12-month extensions

Industry: Information Technology

Functional Expertise: Software Engineering

Sub-functional Expertise: Java Development

Location of work: ACT | Hybrid

Working arrangements: Hybrid working arrangements. Ability to attend the office with regular work from home available.

Closing date: 9AM Monday, 10 August 2026

Description:

Our client is seeking two experienced Principal Java/Bespoke Software Engineers (Developers) to support, maintain and enhance a mission-critical enterprise application. Working within a highly skilled development team, you will contribute to the ongoing development of cloud-based and back-end Java, AWS and Oracle components, ensuring the delivery of reliable, secure and maintainable software solutions. The role also includes participation in an on-call support roster for a critical application.

Responsibilities:

• Develop enterprise-grade software using Java and Oracle technologies.
• Develop and maintain web-based user interfaces using ReactJS, CSS and HTML.
• Design logical and physical data models and implement solutions using Oracle Database.
• Implement CRUD operations using Java Object-Relational Mapping frameworks.
• Produce and maintain detailed design artefacts and technical specifications.
• Create and work with RESTful OpenAPI specifications, SOAP WSDLs and XML Schemas.
• Develop and maintain DevOps workflows using Jenkins, Git, Maven and Ant.
• Perform and build software releases in accordance with established processes.
• Provide technical advice and support to senior stakeholders.
• Participate in a rostered 24/7 on-call support service.

Requirements:

• Excellent verbal and written communication skills.
• At least 8 years' experience with Java, enterprise design patterns, JPA and Hibernate ORM. Java EE experience is advantageous, and reactive programming experience is advantageous.
• Experience developing Java web services, including SOAP and REST APIs, OpenAPI/XSD Schemas, XML/JSON and Spring/Spring Boot.
• Experience working with Unix/Linux and Bash.
• Experience with Maven lifecycle management, Continuous Integration, Unit Testing and System Integration Testing.
• Experience with major database technologies, including data modelling and stored procedures. Oracle experience is preferred.
• Willingness to participate in a 24x7 on-call roster.
• Experience with AWS development including EC2, Lambda, API Gateway, S3, SQS and CloudFormation.
• Strong commitment to software engineering processes and the ability to develop robust and maintainable software.
• Proven ability to document technical processes.
• Experience implementing and maintaining automated testing.
• Ability to provide implementation and design feedback.
• Experience contributing to continuous improvement through process enhancement and documentation.

Key Capabilities:

• Enterprise Java software development.
• Cloud application development using AWS.
• Oracle database design and development.
• REST and SOAP web service development.
• DevOps and Continuous Integration practices.
• Technical documentation and solution design.
• Collaboration within a highly skilled development team.
• Support of critical enterprise applications.

Essential Criteria:

• Programming/software development: Level 6 (SFIA)
• Develops organisational policies, standards, and guidelines for software construction and refactoring.
• Plans and leads software construction activities for strategic, large and complex development projects.
• Adapts or develops new methods and organisational capabilities and drives adoption of, and adherence to policies and standards.

How to apply:

Please submit your application including your resume and a completed application form addressing the essential and desirable criteria. Ensure your application highlights your experience and any relevant certifications.