Full Stack .NET Developer | Contract | Sydney | Remote

We are seeking a Senior .NET Full Stack Developer to support the development and enhancement of a fleet management platform. The role will involve new application development, production support, Azure database migration, enterprise integrations and direct engagement with clients.

Key Responsibilities

- Develop and maintain web and client/server applications using C#, .NET Framework, ASP.NET MVC and ADO.NET.
- Support SQL Server and Azure database migration activities.
- Design and develop RESTful APIs and secure third-party system integrations.
- Configure API security using OAuth 2.0, JWT validation and Microsoft Entra ID/Azure AD authentication.
- Develop enterprise integration solutions using Azure Service Bus queues, topics and subscriptions.
- Build and deploy Azure Functions using HTTP, timer and Service Bus triggers.
- Develop and optimise SQL queries, views, indexes, stored procedures, functions and triggers.
- Improve application performance through SQL and code optimisation.
- Manage source code using Git and Team Foundation Server.
- Resolve production support issues and deliver application enhancements.




- Engage directly with clients to clarify requirements, investigate issues and agree on solutions.
- Participate in testing, deployment, technical documentation and ongoing application support.

Required Experience and Skills

- Robust commercial experience in C#, .NET Framework, ASP.NET MVC and ADO.NET.
- Full-stack development experience using Angular and Kendo UI.
- Experience with SQL Server and Azure database migration.
- Advanced SQL skills, including queries, joins, views, indexes, stored procedures, functions and triggers.
- Experience developing and securing RESTful APIs.
- Knowledge of OAuth 2.0, JWT validation and Microsoft Entra ID/Azure AD authentication.
- Hands-on experience with Azure Service Bus and Azure Functions.
- Proven third-party and distributed-system integration experience.
- Experience using Git and Team Foundation Server.
- Strong troubleshooting, client communication and requirements-analysis skills.
- Previous fleet management or enterprise asset-management experience would be advantageous.

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📌 Full Stack .NET Developer | Contract | Sydney | Remote (City of Gold Coast)
🏢 The Aquarium
📍 City of Gold Coast