Senior .NET Backend Engineer | APIs, Microservices & Azure

Carecone Group; Sydney; On-site; AUD 110,000 - 150,000; Full time

Job summary

Carecone Group in Sydney seeks a skilled .NET developer to design, build, and maintain backend applications in a fast-paced environment. You will implement RESTful APIs, authentication, and integrations with external services, focusing on reliability and performance.

Work with SQL Server, EF Core, and Azure cloud services in an Agile setting. You will write tests, perform code reviews, and contribute to CI/CD pipelines to deliver scalable enterprise solutions.

Responsibilities

• Design, build, and maintain backend applications using C# and .NET Core / .NET 6+.
• Develop RESTful APIs and microservices with ASP.NET Core Web API.
• Build scalable backend services and enterprise applications.
• Implement business logic, validation, exception handling, and authentication.
• Work with SQL Server, writing complex queries, stored procedures, functions, and views.
• Implement ORM solutions using Entity Framework Core and LINQ.
• Develop and integrate third-party APIs and external services.
• Implement authentication and authorization using JWT, OAuth 2.0, and Azure Active Directory / Microsoft Entra ID.
• Implement application security, logging, and monitoring.
• Optimize application performance, database queries, and API response times.
• Write unit tests and integration tests using xUnit, NUnit, or MSTest.
• Work with Git, Azure DevOps, and CI/CD pipelines.
• Deploy and maintain applications on Microsoft Azure.
• Participate in code reviews, technical discussions, and Agile ceremonies.
• Troubleshoot production issues and provide application support.

Tools

C# / .NET

ASP.NET Core

REST APIs

SQL Server

EF Core

JWT

OAuth 2.0

Azure AD

Git

Azure DevOps

CI/CD

Azure

Job description

Carecone Group in Sydney seeks a skilled .NET developer to design, build, and maintain backend applications in a fast-paced environment. You will implement RESTful APIs, authentication, and integrations with external services, focusing on reliability and performance.

Work with SQL Server, EF Core, and Azure cloud services in an Agile setting. You will write tests, perform code reviews, and contribute to CI/CD pipelines to deliver scalable enterprise solutions.