Senior Java Developer

VPS5.2 - Fixed term 12 months

About the role

This is a senior technical role working on the development and revitalisation of the FirstRate5 (FR5) software suite. FR5 is one of Australia's accredited tools under the Nationwide House Energy Rating Scheme (NatHERS), used by Thermal Performance Assessors (TPAs) to simulate and compare residential heating and cooling energy demands, producing certificates for National Construction Code (NCC) compliance.

The FR5 desktop application, developed in Java (Swing), is a mature and widely adopted product. It is now entering an exciting phase of modernisation. This role will play a pivotal part in shaping the technical future of FR5-addressing legacy technical debt, championing structured testing, and guiding long-term upgrade paths.

About you

This role is ideal for an experienced Java desktop developer with a strong understanding of legacy systems and a passion for improving code quality, implementing best practices, and contributing to the technical roadmap of a nationally significant software product that impacts energy efficiency across Australia.

Qualifications/Mandatory Requirements:

• Degree in Computer Science or equivalent professional experience.
• 5+ years of Java application development experience, with at least 3 years focused on desktop applications.

Highly Desirable experience:

• Exposure to .NET, , or , as FR5 is supported by a broader ecosystem including web applications and services.
• Experience with web applications and APIs.
• Keen eye for usability and user-centric design.

About us

Sustainability Victoria (SV) is a trusted delivery agency of the Victorian Government and a market enabler. We are passionate about creating a future where waste is designed out of the system and products and materials stay in our economy for as long as possible.

SV recognises that flexibility is an essential part of a diverse, agile, and high performing workforce. We strive to support all employees unique working situations while ensuring that the operational and strategic needs of SV are met.

How to Apply

To be considered for this position, applicants should submit a resume and cover letter (no longer than 2 pages) summarising their skills and relevant experience (in line with the KSC and relevant accountabilities), via the Careers Vic website.

Applications close at 11.59pm 30 September 2025

Requirements and relevant information

• Applicants must be an Australian Citizen, Permanent Resident or hold a valid work permit or visa.
• The successful applicant will be required to undergo pre-employment checks which may include police checks and misconduct screening.

At SV we are building an accessible and inclusive workforce. We want to attract and retain people of all genders, ages, disability, neurodiversity, sexual orientation, family and caring responsibilities, and cultures including people of Aboriginal and Torres Strait Islander heritage.

We aim for an inclusive workplace that makes every employee feel valued while also acknowledging their differences and how these differences contribute to the organisation's culture and business outcomes.

If you require a copy of this advertisement and attached documentation in an accessible format or would like to discuss an access requirement/adjustment for the recruitment process, please contact the Recruitment Team via email or on