Our Client

Our client is a respected Australian Federal Government agency responsible for protecting lives, property and the marine environment through the delivery of nationally significant safety, emergency response and regulatory services. Operating across Australia and internationally, the organisation manages critical operational systems that support emergency response activities, environmental protection and maritime operations. With a strong technology focus, the organisation continues to modernise its digital platforms while maintaining highly available, mission-critical applications that operate around the clock.

Why Contract With Us

At Charter Diligence, we go beyond just placement — we support our contractors with practical benefits that reflect real-life needs. All contractors engaged through us have access to early cash advances on approved timesheets, offering flexibility in cases of unforeseen expenses or cash flow challenges. Unlike traditional labour hire providers, we understand that life doesn’t always align with a pay cycle — and we're here to help when it matters most. Well, ask your mates if they’re already a Charter Diligence Contractor — chances are, they’re already benefiting from the support we provide.

About the Role

An exciting opportunity exists for an experienced Principal Java Developer to join a high-performing technology team responsible for supporting and enhancing a mission-critical enterprise platform that underpins emergency response and operational services across Australia.

Working within a collaborative team of experienced software engineers and technical specialists, you will design, develop, maintain and enhance enterprise applications, cloud-based integrations and backend services. This role offers the opportunity to work on complex, high-availability systems where reliability, performance and security are essential.

Position: 2 x Principal Java/Bespoke Software Engineer (Developer) (EL2 Equivalent)
Location: Canberra ACT
Daily rate: 1000$-1300$ + super
Working Arrangement: Hybrid
Start Date: September 2026
Duration: 12 Months with potential 12 months extension
Security Clearance: Ability to Obtain Baseline Clearance

Key Responsibilities

- Design, develop and maintain enterprise-grade Java applications supporting critical business operations.
- Develop scalable backend services using Java, Spring and Spring Boot frameworks.
- Design,



develop and maintain cloud-native solutions using AWS services including EC2, Lambda, API Gateway, S3, SQS and CloudFormation.
- Develop and maintain RESTful APIs, SOAP web services and enterprise integration solutions.
- Design logical and physical data models and implement database solutions within Oracle environments.
- Develop database objects including stored procedures, packages and performance optimised SQL.
- Implement data persistence using JPA, Hibernate and other object-relational mapping frameworks.
- Develop and maintain web-based user interfaces using ReactJS, HTML and CSS where required.
- Produce high-quality technical documentation, solution designs and implementation specifications.
- Contribute to software architecture, technical design and technology roadmaps.
- Develop and support CI/CD pipelines using Jenkins, Git, Maven and Ant.
- Perform software builds, deployments and production releases in accordance with established DevOps practices.
- Participate in system integration, unit, regression and user acceptance testing activities.
- Investigate and resolve production incidents while maintaining high system availability.
- Provide technical leadership, mentoring and guidance to development team members.
- Collaborate with architects, business stakeholders and senior technology leaders to deliver strategic outcomes.
- Participate in an on-call support roster for production systems as required.

About You

- Extensive commercial experience delivering enterprise Java applications within complex environments.
- Demonstrated experience with Java, Spring, Spring Boot and enterprise design patterns.
- Strong knowledge of Java EE, JPA, Hibernate and object-oriented design principles.
- Experience developing REST APIs, SOAP services, OpenAPI specifications, XML, JSON, XSD and WSDL.
- Strong Oracle database experience including SQL, PL/SQL, data modelling and stored procedures.
- Hands-on experience developing cloud solutions using AWS services.
- Experience working within Linux or Unix environments and developing Bash scripts.
- Strong knowledge of Git, Jenkins, Maven, Ant and modern CI/CD practices.




- Experience working with ReactJS, HTML and CSS is highly regarded.
- Strong understanding of software architecture, secure coding practices and enterprise integration.
- Demonstrated ability to produce technical documentation and solution design artefacts.
- Excellent stakeholder engagement, communication and problem-solving skills.
- Experience working within Agile software development environments.
- Previous Australian Government experience will be highly regarded.
- Willingness to participate in an on-call support roster.
- Must hold valid Australian working rights. Australian Citizenship or long-term unrestricted Australian work rights are required. Sponsorship is not available. Ability to obtain and maintain a Baseline Security Clearance is essential.
- As a mandatory requirement for this contract role required by our client, applicants are kindly asked to complete a compliance check and upload their work rights verification at www.charterdiligence.com.au/portal. Incomplete submissions may not be considered. If you have any questions or need assistance with the process, please don’t hesitate to contact our team—we’re here to help.

Application Process

Key: Due to the high volume of applications and the limited submission timeframe, we may not be able to contact all applicants. This is not a reflection of interest, but a result of operational constraints. As part of mandatory government contract requirements, priority will be given to candidates who have completed all necessary compliance checks. For applicants with privacy concerns regarding work rights verification submission, documents may be presented in person at our local offices for sighting.

We encourage candidates who are passionate about making a difference and possess the necessary experience and skills to apply. Please apply to this job post or submit your CV along with a cover letter detailing your qualifications and interest in the role to this job post. For confidential inquiries, contact our recruitment team at [email protected] and (02) 7208 7776 (Sydney), (03) 9001 7776 (Melbourne), (07) 3866 7776 (Brisbane), or (08) 6118 7776 (Perth).

Charter Diligence is an equal-opportunity employer committed to diversity and inclusion. We welcome applications from all qualified individuals, regardless of their background. Join us and be part of a team that is shaping the future of the industry.

📌 Principal Software Engineer (Canberra)
🏢 Charter Diligence
📍 Canberra