Senior Developer - .NET | Dev & App Support

📍 Sydney CBD (Hybrid) | Long-term contract

This role defines full-stack Microsoft engineering with a strong focus on application support, custom development, and platform stability. From building out new functionality in .NET and Azure - to maintaining the complex integrations and Dynamics 365/CE-based business applications that power the organisation - you'll work across every layer of delivery.

You'll join a lean, high-impact team inside a large and complex enterprise. It's the kind of environment where your code and your troubleshooting skills both matter - and where you'll be trusted to own application health, performance, and continuous improvement end-to-end.

🛠 What you'll work with:

* .NET Framework & .NET Core - app logic, integrations, legacy support

* C# - backend services, REST APIs, logic layers

* MS SQL Server - core enterprise database

* BizTalk Server - current primary enterprise integration layer

* Dynamics 365 / CE & SharePoint - critical business platforms you'll support and extend

* Azure App Services & Logic Apps - cloud-native builds and workflow automation

* Azure DevOps - CI/CD and repo management

* ReactJS - in play on newer front-end builds

✅ What you'll be doing:

* Maintain and support core applications across both custom code and OTB platforms

* Build new features and integrations in .NET, Azure, and Dynamics

* Investigate, troubleshoot, and resolve issues in production systems

* Collaborate closely with Tech Leads and BAs to shape technical outcomes

* Uphold quality through structured testing, documentation, and peer reviews

💡 Why this role:

* Core Microsoft stack work with strong application ownership

* Deep involvement across support, build, and integration

* Contract role with the longevity of perm - 5+ year programs

* Sydney CBD base with hybrid flexibility (Weds anchor day)

📍 Location: Sydney CBD (Hybrid)

🗓 Working Model: Wednesday anchor day in the office. Other days flexible.

📄 Contract: 12-month rolling

💰 Rate: Up to $725 p.d.

📩 Interested? Send me your CV - let's talk.