Senior Full-Stack .NET Engineer - Hybrid Sydney

SustainRecruit; Sydney; Hybrid; AUD 129,000 - 148,000; Full time

Job summary

SustainRecruit in Sydney is seeking a mid to senior Full Stack .NET Engineer on a 6-month rolling contract. You will work hybrid, 2-3 days in the office, spanning .NET backend and React frontend, owning features from design through release.

At senior level, contribute to technical design decisions, mentor engineers, review code, and collaborate across teams while delivering robust REST APIs and cloud‑native solutions in Azure.

Qualifications

• 4–5 years of commercial software development experience at mid level.
• Hands-on with C#, modern .NET and ASP.NET Core Web APIs.
• Commercial React experience, ideally with TypeScript.
• Experience with SQL Server, automated testing and CI/CD in Azure.

Responsibilities

• Build full stack features using .NET, React and TypeScript.
• Develop REST APIs with ASP.NET Core and integrate with services.
• Migrate functionality from legacy apps to the new platform.
• Write automated tests and deploy changes through Azure DevOps pipelines.

Skills

C#

.NET

ASP.NET Core

React

TypeScript

SQL Server

Azure DevOps

Tools

Azure DevOps

SQL Server

Job description

SustainRecruit in Sydney is seeking a mid to senior Full Stack .NET Engineer on a 6-month rolling contract. You will work hybrid, 2-3 days in the office, spanning .NET backend and React frontend, owning features from design through release.

At senior level, contribute to technical design decisions, mentor engineers, review code, and collaborate across teams while delivering robust REST APIs and cloud‑native solutions in Azure.