Senior Software Engineer

- Full-Time (35hpw)Permanent Chance
- Salary Range $134,626–$162,153pa+
- Parramatta or Sydney CBD location with hybrid working (1-2 office days)

About the team

The Authentication team build and operate the systems that help millions of customers securely access government services, protecting accounts while ensuring authentication remains simple, accessible and trusted.

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

We're looking for a self-motivated, customer-focused Senior Engineer who is passionate about building secure, reliable and scalable platforms that support critical digital services. You thrive in collaborative environments, enjoy mentoring others, and lead through influence rather than authority.

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

- Designing, building and reviewing secure authentication services, APIs and supporting platform components
- Pair programming with other engineers and leading by example in coding, testing and secure design practices
- Reviewing code, architecture and test approaches to ensure security, reliability, scalability and maintainability
- Contributing to and leading releases (aligned to delivery readiness), ensuring changes meet strict reliability and security requirements

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📌 Senior Software Engineer (City of Sydney)
🏢 Nsw Government
📍 City of Sydney