JOBSEARCHER

.Net Developer

ArtechLisle, ILMay 21st, 2026
Job Title: .NET DeveloperLocation: Lisle, IL 60532Duration: 10 MonthsJob SummaryWe are seeking an experienced Technology Lead with strong expertise in .NET Core and ReactJS to lead application development and support initiatives. The ideal candidate will have a solid background in building scalable web applications, modernizing legacy systems, and leading technical teams.Key ResponsibilitiesLead end-to-end application development and support activitiesPerform coding, design, and technical analysisGuide and mentor team members as a technical leadDevelop and maintain Web APIs using .NET CoreWork on modernizing legacy ASP.NET applications to .NET Core and ReactJSEnsure application performance, security, and scalabilityWrite and maintain unit tests and API test casesCollaborate with cross-functional teams for requirement analysis and deliveryRequired Skills (Top 3) .NET CoreReactJSDatabase (SQL or similar)Technical Requirements 8-10 years of overall IT experienceMinimum 6+ years of experience in ASP.NET / .NET Core development using C# or VB.NETMinimum 6+ years of experience with ReactJSStrong experience with Visual Studio IDEHands-on experience in Web API development and testingExpertise in HTML, CSS, XML, JSON, JavaScript, and jQueryExperience in unit testing frameworksStrong understanding of security, performance, and scalabilityExperience in modernizing legacy ASP.NET Web Forms applicationsPreferred Skills Experience in handling application support environmentsStrong problem-solving and analytical skillsLeadership and stakeholder communication skills