.NET Application Modernization Consultant – Staff

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🔥 0 minutes ago

🦀 Maryland – Remote

🦀 Maryland – Remote

⏳ Contract/Temporary

🔴 Lead

🔙 Backend Engineer

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HIKINEX

WebsiteLinkedInAll Job Openings

201 - 500 employees

🤝 B2B

🎯 Recruiter

B2B • Recruitment

HIKINEX is a multi-channel integrated service provider that delivers outsourced sales, recruitment, virtual assistant, and marketing support to help companies scale quickly and reduce operating costs. The company offers sales-as-a-service (appointment setting, outbound sales, sales training), end-to-end recruiting and talent acquisition (sourcing, screening, ATS management, executive recruiting), virtual administrative support, and marketing/brand ambassador services. HIKINEX operates remotely out of San Francisco and emphasizes flexible, scalable staffing and operations solutions for B2B clients.

📋 Description

• 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.

🎯 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 • 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.

🏖️ Benefits

• Due to client security requirements, candidates must be U.S. Citizens or U.S. Permanent Residents (Green Card holders) authorized to work in the United States without current or future visa sponsorship. • Must be willing to support and work with a government client. • Must be willing to undergo fingerprinting as part of the onboarding process. • Must successfully complete a government background investigation (CJIS-type clearance).