Senior .NET Engineer – APIs & Enterprise Apps (Hybrid)

Lanson Partners; Gold Coast City; Hybrid; AUD 140,000 - 165,000; Full time

Benefits offered by this job

Hybrid work model

Annual bonus

Job summary

Lanson Partners on the Gold Coast is seeking a Senior .NET Engineer for a permanent role. You will work on a mature .NET estate, delivering APIs and integrations while supporting existing applications in a complex enterprise environment.

You will be hands-on with C#, ASP.NET, and SQL Server, tackling production issues and contributing to design across interconnected systems. Hybrid work model with 2–3 days in the office.

Qualifications

• Strong hands-on C#/.NET experience.
• ASP.NET and Web API experience.
• Deep SQL Server knowledge, performance tuning and query optimisation.

Responsibilities

• 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.

Skills

C#

ASP.NET

Web API

OOP

SQL performance tuning

Production support

Tools

SQL Server

Job description

Lanson Partners on the Gold Coast is seeking a Senior .NET Engineer for a permanent role. You will work on a mature .NET estate, delivering APIs and integrations while supporting existing applications in a complex enterprise environment.

You will be hands-on with C#, ASP.NET, and SQL Server, tackling production issues and contributing to design across interconnected systems. Hybrid work model with 2–3 days in the office.