.NET Application Modernization Consultant (Staff)

New
H
HIKINEXSoftware Development
Fully Remote (Maryland, U.S.)ContractStaff
Salary not disclosed
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Job Details

Experience
3+ years
Required Skills
GitNUnitC#.NET coreGitHub ActionsAzure DevOps

Requirements

  • 3+ years of experience with C# and .NET development.
  • Strong working knowledge of .NET Core and .NET 8, including differences from the .NET Framework.
  • Hands-on experience with SDK-style .csproj files and PackageReference.
  • ASP.NET Core fundamentals (middleware, dependency injection, IConfiguration, appsettings.json, and the Options pattern).
  • NuGet dependency management and package upgrades.
  • Automated testing using xUnit, NUnit, or MSTest, including mocking frameworks such as Moq.
  • Integration testing experience.
  • Comfortable working in AI-assisted or tooling-driven migration workflows with manual code review.
  • Experience using Git and CI/CD tools such as Azure DevOps or GitHub Actions.

Responsibilities

  • Develop and maintain applications using C#, .NET Core, and .NET 8.
  • Support the migration of legacy .NET Framework applications to modern .NET platforms.
  • Build and maintain ASP.NET Core applications using middleware, dependency injection, and configuration best practices.
  • Manage project dependencies using NuGet, SDK-style project files, and PackageReference.
  • Develop and execute automated unit, integration, and regression tests.
  • Review and validate code generated through AI-assisted migration and modernization tools.
  • Collaborate with engineering teams using Git and CI/CD pipelines to support application delivery.
  • Contribute to application modernization efforts while ensuring code quality, maintainability, and performance.
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