Sr. .NET Developer

• Build .NET and C# applications using modern development practices
• Develop secure REST APIs using ASP.NET Core and OAuth/JWT
• Work with EF Core, SOLID principles and design patterns

Company Description

the company is a leading provider of Shielded Cloud and Digital Solutions across Australia and New Zealand. We specialise in delivering secure, enterprise-scale technology solutions across cloud, infrastructure, cybersecurity, DevSecOps, software engineering, and digital transformation programs.

We partner with government and enterprise organisations to build high-performing technology teams that deliver secure, resilient, and scalable solutions within highly regulated environments.

The Role

We are seeking an experienced .NET Developer to join a collaborative engineering team delivering modern enterprise applications and digital solutions.

This is a hands on development role focused on building and supporting high quality software solutions using .NET, C#, ASP.NET Core, and modern web technologies. You'll contribute across the full software development lifecycle while working closely with stakeholders, developers, and technical teams to deliver secure, scalable, and maintainable applications.

Key Responsibilities

• Design, develop and maintain enterprise applications using .NET and C#.
• Build and enhance ASP.NET Core Web APIs and backend services.
• Develop and integrate RESTful APIs using modern authentication standards.
• Apply secure coding practices and contribute to secure software delivery.
• Work with Entity Framework Core, Dapper and relational databases.
• Participate in solution design, code reviews and technical planning activities.
• Implement scalable, maintainable and reusable application components.
• Collaborate with cross-functional teams throughout the software development lifecycle.
• Troubleshoot, support and enhance existing applications.
• Create and maintain technical documentation and development standards.
• Contribute to continuous improvement initiatives and engineering best practices.

What You'll Need

• Strong experience developing applications using .NET and C#.
• Experience with ASP.NET Core Web APIs and RESTful services.
• Knowledge of OAuth, JWT authentication and CORS implementation.
• Working knowledge of secure coding practices and OWASP Top 10 principles.
• Strong understanding of object-oriented programming and software design principles.
• Experience with Entity Framework Core or Dapper.
• Knowledge of Dependency Injection and SOLID principles.
• Understanding of software development lifecycle methodologies.
• Experience supporting and enhancing production applications.
• Strong communication and stakeholder engagement skills.
• A collaborative mindset and passion for knowledge sharing and continuous learning.

Why Join Us?

• Work on modern enterprise application development projects.
• Collaborate with experienced software engineers and architects.
• Contribute to secure, scalable and business-critical solutions.
• Gain exposure to modern development frameworks and practices.
• Join a consulting culture focused on innovation, collaboration and technical excellence.