Senior .NET Engineer | Permanent | Gold Coast

We’re partnering with a major Australian financial services organisation on a permanent Senior .NET Engineer opportunity within a complex, business-critical application environment.

This is not a pure greenfield role. The successful engineer will be comfortable working across a mature .NET estate, supporting existing applications while also delivering new APIs, integrations and improvements across a broader enterprise platform.

What you’ll be working on

- Hands-on development across C# and ASP.NET
- Building and enhancing REST / Web APIs
- Supporting and improving mature .NET applications
- Complex enterprise integrations
- SQL Server development, query optimisation and performance tuning
- Application security, authentication and authorisation
- Production support and root-cause analysis
- Broader solution design across interconnected systems
- Working with technical and business stakeholders to understand problems and deliver practical solutions

What we’re looking for

- Strong hands-on C# / .NET experience




- ASP.NET and Web API experience
- Strong OOP and .NET fundamentals
- Deep SQL Server knowledge, including performance tuning and query optimisation
- Experience with API and application security
- Comfortable working in legacy or mature application environments
- Robust troubleshooting and production support capability
- Ability to understand wider system dependencies and contribute to solution design
- Enterprise experience preferred, but financial services is not essential

The key requirement is technical depth. We’re looking for someone who remains genuinely hands-on and is comfortable working in a complex, mature application environment.

Location: Gold Coast, Queensland

Working model: Hybrid, 2–3 days per week in office

Salary: $140k–$165k base + 12% super + $11k bonus

The interview process includes a technical assessment followed by technical and leadership interviews.

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📌 .Net Engineer (City of Gold Coast)
🏢 Lanson Partners
📍 City of Gold Coast