Full Stack .NET Developer | Contract | Sydney | Remote

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

• Strong 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.