> Markdown version of [/jobs/ext/4529369-net-developer](https://www.wearedevelopers.com/jobs/ext/4529369-net-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # NET Developer - **Company:** Siri InfoSolutions Inc - **Location:** Lisle, IL, United States - **Experience:** Experienced - **Contract:** Contract - **Skills:** Clean Code Principles, ASP.NET, HTML, JavaScript (Programming Language), .NET Framework, Agile Methodology, Application Performance Management, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Cascading Style Sheets (CSS), Continuous Integration, Software Design Patterns, JSON, JQuery, Team Foundation Server, Object-Oriented Software Development, Simple Object Access Protocol (SOAP), SQL Stored Procedures, SQL Databases, Web Applications, Extensible Markup Language (XML), Freeform SQL, .NET Core, ReactJS, SOAPAPI, Backend, Git, Git Flow, Solid Principles, Kubernetes, Asp.net Web Forms, Front End Software Development, Restful APIs, Code Restructuring, Api Management, Web Api - **Published:** October 31, 2026 - **Apply:** https://www.dice.com/job-detail/51bf0847-8438-4867-bebc-0b5ed4b50cfc ## About the Role 5+ years of ASP.NET/.NET Core and C# development experience. 3+ years of ReactJS development experience. Strong experience with .NET Core Web APIs, SQL, and stored procedures. Proficiency in HTML, CSS, JavaScript, jQuery, JSON, and XML. Experience with SOAP/REST services, unit testing, and Web API testing. Knowledge of Azure, Git/TFS, CI/CD, and Agile methodologies. Understanding of OOP, SOLID principles, code refactoring, and design patterns. ## Description Seeking a skilled .NET Developer with 5+ years of ASP.NET/.NET Core and C# experience and 3+ years of ReactJS experience. The candidate must have strong frontend React development skills along with backend development expertise to enhance and modernize web applications in an Agile environment., Develop and maintain web applications using .NET Core, C#, and ReactJS. Build and integrate REST/SOAP services and .NET Core Web APIs. Modernize legacy ASP.NET Web Forms applications using .NET Core and React. Write unit tests, perform API testing, and optimize application performance. Develop complex SQL queries and stored procedures. Follow OOP, SOLID principles, design patterns, and coding best practices. Support Git workflows, CI/CD pipelines, Azure deployments, and Kubernetes environments.