Senior Application Developer at NSW Government Department of Communities and Justice

Sydney, New South Wales, Australia -

Full Time

Start Date

Immediate

Expiry Date

14 Jul, 26

Salary

142665.0

Posted On

15 Apr, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Software development, Solution architecture, Technical leadership, C#, .NET, SQL, JavaScript, Power Platform, Dynamics 365, SQL Server, GIT, Mentoring, Software development lifecycle, Requirements analysis, Acceptance testing, Application support

Industry

Government Administration

Description

Senior Application Developer- NSW Trustee and Guardian Temporary full-time vacancy – 12 months. 35 hours per week. Location: Sydney CBD & Parramatta, with flexible / hybrid working options available Clerk Grade: 9/10. Base salary $129,464 to $142,665 p.a. plus 12% superannuation and annual leave loading. About us At NSW Trustee and Guardian, our purpose is to support the rights, welfare, and interests of the people of NSW. Whether we are writing a Will, acting as an executor, attorney, trustee, guardian, or financial manager, we are here for critical moments in our customers’ lives. Join our dedicated NSW Government agency and make a difference in the lives of over 50,000 people each year Our commitment to diversity Our workplace reflects the diverse community we serve. We encourage applications from all backgrounds, experiences, and abilities. This includes women, people with disability, Aboriginal and Torres Strait Islanders, the LGBTI community and people from culturally diverse backgrounds. About the team The Information and Technology team delivers secure, modern, and efficient digital services by maintaining robust technological infrastructure, developing and supporting critical business applications, and leading strategic technology initiatives aligned with the organisation’s objectives. About the role As a Senior Application Developer, you will lead the design and development of large and complex applications that directly support business outcomes and improve customer experience. You’ll provide technical leadership to other developers, guide solution design, and ensure best‑practice development standards across the team. This is a hands‑on senior role, combining technical depth, solution architecture, coaching, and end‑to‑end delivery. As a Senior Application Developer, you will: Lead and contribute to all stages of the software development lifecycle. Analyse requirements to ensure solutions are fit for purpose and aligned to business needs. Design, plan and execute acceptance testing to reduce risk and improve product quality. Provide technical direction, mentoring, and support to application developers. Deliver 3rd‑level support and resolve complex application issues. Drive continuous improvement of development practices and digital capability. For more information about the position, view the role description. About you You’re an experienced developer who enjoys working across the full application development lifecycle and building solutions that genuinely support business outcomes. You’re comfortable taking technical ownership, working through complex problems, and collaborating with a variety of stakeholders. You think critically, communicate clearly, and bring a balanced approach to quality, delivery, and innovation. You enjoy mentoring others, contributing to a positive team culture, and sharing your expertise to help the team succeed. Experience with Power Platform, Dynamics 365, SQL Server, and GIT will help you excel in this role, but a willingness to learn and adapt is just as important. Sound like you? We would love to hear from you! Essential requirements Relevant tertiary and/or professional qualifications in ICT or a related discipline. Demonstrated experience developing in C#, .NET, SQL, and modern JavaScript frameworks/libraries. Understanding of the operating complexities of ICT within a financial services and/or NSW Government environment. What we offer NSW Trustee and Guardian offers interesting, challenging and rewarding work that has real purpose. Other benefits of joining us include: work-life balance with flexible work options (working from different work locations, variable start/finish times, job sharing) various leave options (recreation, parental, and flex leave of up to 24 days per year) career development including study leave and acting opportunities access to Fitness Passport and employee assistance program, and annual flu vaccinations Be part of something bigger. For more information about joining us, visit the Careers page on our website. How to apply To apply for this role:  complete the online application  submit a resume (maximum five pages) and brief cover letter (maximum two pages) outlining your skills, experience and suitability  Read: writing your job application for tips on the application process.  Visit the Capability Application Tool to prepare for the recruitment process by accessing practice applications and interview questions based on the focus capabilities listed in the role description.    Closing date  Applications close 11:59pm, 30 April 2026. For enquiries about the role, please contact Allan Seagrott – Senior Manager, Development and Digital Products via email: Allan.Seagrott@tag.nsw.gov.au For enquiries about the recruitment process, please contact Janina Fuentes, Talent Advisor on Janina.Fuentes@tag.nsw.gov.au Please do not send your applications directly via email, LinkedIn, or SEEK. Only applications submitted via the online portal will be accepted.     Please note:  If you need an adjustment in the recruitment process, please contact People and Culture via email at peopleandculture@tag.nsw.gov.au  Offers of employment will be subject to reference checks and relevant clearances.  A talent pool may be created for future ongoing and temporary roles and is valid for 18 months.   Thank you for your interest in this role. We look forward to receiving your application. 

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Responsibilities

The Senior Application Developer will lead the design and development of complex applications while providing technical leadership and mentoring to the development team. They are responsible for managing the full software development lifecycle, ensuring best-practice standards, and delivering 3rd-level support for critical business applications.