- Salary Range $134,626 - $162,153pa + 12% super
- Haymarket and Parramatta location with hybrid working (1-2 office days per week)

About the team

Digital Services sits at the heart of the customer experience at Service NSW. We design, build and operate the digital products, platforms and shared capabilities that help millions of people and businesses access government services quickly, easily and securely.

We are a cross‑functional team of engineers, designers and product managers. Our culture is highly collaborative, based on shared ownership of security, customer and financial outcomes. Team members are trusted to contribute ideas, challenge assumptions constructively and take ownership of their work. We encourage experimentation, innovation and the thoughtful adoption of emerging technologies where they improve our ways of working, or outcomes.

About the role

This role provides a unique opportunity to work on one of the most critical digital platforms within NSW Government. Senior Software Engineers influence authentication, identity and security capabilities used across the State, work on large scale, high impact systems and solve complex technical challenges that directly affect the experience and security of millions of customers. The team offers exposure to modern cloud and identity technologies, strong cross‑functional collaboration and support for ongoing professional growth and development.

About you

As a Senior Software Engineer, you will design, build, deploy and operate secure, reliable and scalable digital products and platform capabilities. You will work on complex, high‑value services used across Service NSW and NSW Government, contributing to technical design, architecture and the continuous improvement of engineering practices.

You will bring a strong focus on system reliability, security and continuous improvement, balancing technical leadership with a pragmatic approach to delivery. You will be comfortable working on highly available platforms and contribute to incident response, service resilience and technical decision‑making while helping uplift engineering practices across the team.

Key responsibilities

- Design, develop, test, deploy and operate features and improvements for digital products and services.




- Design and architect solutions to complex technical problems, ensuring they are secure, scalable, reliable and maintainable.
- Build secure backend systems, APIs and supporting platform components, with exposure to full‑stack development.
- Collaborate with engineers, product managers, designers and other cross‑functional teams in a fast‑paced iterative environment.
- Contribute to code reviews, pair programming, testing and technical design discussions.
- Improve engineering practices, capability and skills using data, experimentation and frequent feedback.
- Take ownership of system quality, reliability, security and operational stability.
- Support production systems, monitoring, incident response, root cause analysis and ongoing service improvement.
- Mentor engineers and help uplift team capability across coding, testing, architecture and operations.
- Support critical incidents, releases or urgent operational issues, including occasional out‑of‑hours work where required.

To be successful in this role you will demonstrate:

- Experience designing and building secure, scalable backend systems and APIs, with exposure to full‑stack development
- Experience working with cloud platforms and up-to-date CI/CD practices
- Proven ability to deliver reliable, high quality software in production environments
- Experience contributing to incident response and production support in high availability systems
- Strong problem‑solving and systems thinking
- Highly collaborative, comfortable with pair programming, code reviews and working across teams
- Takes ownership of outcomes, balancing delivery with reliability, security and operational stability
- Able to self‑manage and contribute as a de facto technical leader
- Experience with authentication, identity or other highly dependent platforms
- Familiarity with microservices,



APIs and containerisation
- Exposure to monitoring, observability and security practices
- Strong communication skills and ability to explain technical concepts clearly
- Growth mindset and continuous improvement focus
- Experience with high‑traffic, highly available platforms
- Exposure to platform or shared services environments
- Interest in progressing towards senior technical leadership roles

Essential Requirements

- Be NSW residents or in the process of relocating to NSW
- Hold appropriate working rights for the type of employment offered

Why join Service NSW?

- Delivers services that genuinely impact millions of people
- Invests in modern technology, ways of working and professional growth
- Supports flexible, hybrid working and inclusive practices
- Values collaboration, purpose and continuous improvement

Closing Date: Wednesday 11th November 2026 [at 9.59am]

Belong in our diverse and inclusive workplace

The strength of our workforce lies in its diversity and embracing difference, while the key to our success is leveraging the contributions of employees with different backgrounds and perspectives.

Desired Skills and Experience

Build technology used by millions. Solve complex engineering challenges.

Service NSW is looking for talented Senior Software Engineers to join teams delivering secure, scalable and highly available digital platforms that power critical government services across NSW.

You'll be involved in:

- Building secure backend systems, APIs and digital platform capabilities
- Developing modern applications using Java, Kotlin, Spring Boot and React
- Working with cloud‑native technologies and CI/CD pipelines
- Supporting highly available production environments
- Solving complex technical and operational challenges
- Contributing to architecture and technical design decisions
- Collaborating with product managers, designers and engineers in agile teams
- Mentoring others and driving continuous improvement across engineering practices

This is an opportunity to work on high‑impact digital services, influence technical outcomes and grow your career within one of the largest digital environments in NSW Government.

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📌 Senior Software Engineer (Sydney)
🏢 NSW Department of Customer Service
📍 Sydney