.Net Software Engineer (Developer) - Government

- ASAP Start | 12-Month Contract
- $800-$1200/day + super
- Hybrid

Our Client

Our client is a large Federal Government department operating nationally, focused on strengthening Australia’s economic resilience through industry, science, and technology initiatives. With a workforce of several thousand employees, the organisation delivers complex programs that support innovation, digital capability, and sustainable growth. Its CIO division plays a key role in delivering enterprise ICT services and modernising digital platforms across government and industry.

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

We are seeking an experienced .NET Software Engineer to support the delivery of secure, scalable, and high-performing web applications within a Federal Government environment. This role will focus on developing and enhancing Azure-based platforms, supporting both existing regulatory systems and recent digital initiatives. You will work within an Agile, cross-functional team to deliver end-to-end solutions, contributing to system design, development, integration, and continuous improvement.

Position: .NET Software Engineer – $800–$1,200/day + super Location: ACT (Onsite) Working Arrangement:



Hybrid Start Date: ASAP Duration: 12 months + Extension

Key Responsibilities

- Develop and maintain Azure-based web APIs and portal applications
- Build scalable solutions using .NET Framework, .NET Core, and ASP.NET
- Integrate systems and services to deliver seamless end-to-end user experiences
- Apply secure coding practices aligned with government standards
- Conduct code reviews and contribute to quality assurance processes
- Work from detailed architecture documentation to deliver robust solutions
- Collaborate with cross-functional Agile teams including developers, analysts, and architects
- Provide technical advice and support across development lifecycle
- Contribute to CI/CD pipelines using Azure DevOps and related tools
- Produce and maintain technical and release documentation
- Support optimisation and modernisation of legacy systems into cloud environments
- Mentor team members and contribute to a collaborative team culture

About You

- Minimum 5 years’ experience developing secure web-based applications using .NET technologies
- Strong experience with .NET Framework, .NET Core, ASP.NET, and Web APIs
- Experience with front-end frameworks such as Angular or React
- Proven experience working with Microsoft Azure services (e.g. API Manager, Logic Apps, SQL, Service Bus)
- Experience with Azure DevOps for CI/CD, repositories, and deployments
- Familiarity with integrating systems including Dynamics 365 and third-party platforms




- Strong understanding of secure coding practices and ISM compliance
- Experience with testing frameworks such as xUnit, nUnit, Selenium, or Playwright
- Experience working in Agile delivery environments
- Strong communication and collaboration skills across technical and non-technical stakeholders
- Relevant tertiary qualifications in software development or related field (desirable)
- Must be able to obtain a Baseline Security Clearance
- Must have valid working rights in Australia (Australian Citizen or long-term visa holders only; no sponsorship available)

Additional Opportunities

- Project Manager (LH-06079)
- Cloud Solutions Architect (LH-06076)
- Exchange System Administrator (LH-06078)
- Front End Developer / UI Designer (LH-06082)
- Business Analyst (LH-06075)
- Automation Tester (LH-06074)
- .NET Software Engineer (LH-06073)
- CRM Developer (LH-06077)
- Software Engineer (LH-06080)
- Senior Storage Infrastructure Engineer (LH-06129)

Application Process

Important: 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.

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.

📌 .Net Software Engineer (Developer) - Government (Sydney)
🏢 Aussie IT Jobs
📍 Sydney