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.NET Full Stack Developer - 100% REMOTE - W2 Only

Hyr Global SourceDenver, CORemoteL5 SeniorSeptember 12th, 2026
Role: .NET Full Stack DeveloperLocation: 100% REMOTE (From CST/EST Timezone)Duration: Long Term ContractW2 Only...Work authorization: Any work authorization can apply for these openings.Education Requirement - Bachelor s Degree in: Computer Science, Information Technology, Or related fieldMinimum 12 Years Of Experience Required....Primary Skills: .NET Core, C#, Web API, React, TypeScript, SQL Server, AzurePosition OverviewWe are looking for a highly experienced Senior .NET Full Stack Developer with 12+ years of overall software development experience and deep hands-on expertise in modern Microsoft technologies.The ideal candidate should be very strong in backend development using .NET Core/C#, REST APIs, Entity Framework Core, and SQL Server, along with solid front-end development experience using React and TypeScript.Key ResponsibilitiesDesign, develop, and maintain enterprise-level .NET Full Stack applications.Develop scalable backend services using .NET Core 6/7/8/9/10, C#, EF Core, and Web API.Minimum 10+ years of strong .NET/C# backend development experience.Design and develop RESTful APIs and integrate with internal and external applications.Strong understanding and practical implementation of OOP principles, design patterns, SOLID principles, and clean architecture.Develop modern web applications using React and TypeScript with 5+ years of hands-on experience.Build reusable React components and integrate front-end applications with backend APIs.Strong hands-on experience with Microsoft SQL Server, including:Database and data modelingComplex SQL queriesStored proceduresQuery performance tuning and optimizationLINQ and EF Core queriesTroubleshoot application, API, database, and performance issues.Experience developing and deploying applications in Microsoft Azure.Work with Azure services and cloud-based application architectures.Participate in code reviews and ensure coding, security, performance, and development standards are followed.Collaborate with architects, product owners, QA, DevOps, and other development teams.Participate throughout the complete SDLC design, development, testing, deployment, and production support.Work in an Agile/Scrum development environment.Required Skills12+ years of overall .NET/full-stack software development experience.10+ years of strong C#/.NET backend development experience.Expert-level knowledge of .NET Core, C#, EF Core, Web API, and REST APIs.5+ years of React + TypeScript development experience.Strong knowledge of OOP, SOLID principles, and design patterns.Advanced Microsoft SQL Server, SQL optimization, data modeling, and LINQ skills.Strong experience with Microsoft Azure.Experience building scalable, secure, high-performance enterprise applications.Strong troubleshooting and problem-solving skills.Experience working in an Agile software development environment.PreferredMicrosoft Azure DevOps experience.CI/CD pipeline experience.Experience with microservices and distributed application architecture.Experience modernizing legacy .NET applications to newer .NET Core/.NET versions.Important: We are looking for a hands-on senior developer with deep backend .NET/C# expertise as well as strong React/TypeScript skills. Candidates should be comfortable designing solutions and writing production-level code, not just managing development teams.