Primary Navigation + Who We Are + History (https://www.lrs.com/who-we-are/history/) + Company Overview + Leadership (https://www.lrs.com/who-we-are/leadership/) + A Message from Our CEO + What We Believe (https://www.lrs.com/what-we-believe/) + Our Mission + LRS Philosophy & Values (https://www.lrs.com/what-we-believe/lrs-philosophy-values/) + Community Involvement + Wilkerson (https://www.lrs.com/what-we-believe/wilkerson/) + Divisions + Careers + Get Hired + Our Culture (https://www.lrs.com/careers/our-culture/) + Benefits + Diversity (https://www.lrs.com/careers/diversity/) + Internships + Offices (https://www.lrs.com/offices/) + LRS Offices + Contact (https://www.lrs.com/contact/) + News Global NavigationEmployee Login (http://www2.lrs.com) File Transfer Filters Careers Added Jul 02, 2026 Lead .NET Software Engineer (46232) Rosemont, IL | Temp to Perm Apply (https://evoportalus.tracker-rms.com/LRS/apply?jobcode=46232&shownonlrs=True) For additional information on how we handle your data, seewww.LRS.com/privacy What to do if you suspect fraud: If you receive a suspicious offer or communication claiming to be from us, do not share any personal or financial information. You can notify us using our contact page atContact Levi, Ray & Shoup, Inc (https://www.lrs.com/contact/) . IMPORTANT NOTES: + All legitimate correspondence from our recruiting team will only come from an email address ending in @lrs.com. We do not use generic domains like @gmail.com, @yahoo.com, or @outlook.com. + Weneverconduct interviews solely via text-based chat on Microsoft Teams, Telegram, or WhatsApp. All virtual interviews involve a scheduled video or phone call with a member of our team. + LRS willneverask a candidate for payment, fees, or to purchase equipment (e.g., laptops, software) as a condition of employment. + All genuine job opportunities are listed directly on our official careers portal atCareers (https://jobs.lrs.com/) . Job Description LRS Consulting Services has been delivering the highest quality consultants to our clients since 1979. We've built a solid reputation for dealing with our clients and our consultants with honesty, integrity, and respect. We work hard every day to maintain that reputation, and we're very interested in candidates who can help us. If you're that candidate, this opportunity is made for you! LRS Consulting Services is seeking a Lead .NET Software Engineer for a hybrid onsite contract-to-hire opportunity with our client in the Rosemont, IL area! Responsibilities: + Lead the design, development, and implementation of scalable web applications and services using modern Microsoft technologies + Provide hands-on technical leadership, actively contributing to development, code reviews, and day-to-day delivery + Build and maintain applications using C#, ASP.NET Core/.NET Core, JavaScript frameworks, and SQL Server + Design and develop RESTful APIs and backend services supporting enterprise applications + Collaborate with cross-functional teams to deliver high-quality, user-focused solutions + Guide architectural decisions and promote development best practices and coding standards + Support CI/CD pipeline development, deployment automation, and environment management + Contribute to modernization efforts, helping evolve the technology stack and development approach + Lead and support development within the Optimizely platform, including CMS customization, content modeling, integrations, and platform enhancements as the environment is established + Partner with business and product stakeholders to align Optimizely-driven solutions with broader application architecture and enterprise capabilities + Optimize application performance, scalability, and reliability across systems + Mentor and support developers, fostering a strong engineering culture + Troubleshoot production issues and ensure timely resolution + Other responsibilities as assigned Requirements: + 5+ years of software development experience in a Microsoft technology environment + Recent experience in a Lead or Senior-level software engineering role with technical leadership responsibilities + Strong experience with C#, ASP.NET Core/.NET Core, and SQL Server + Experience with modern JavaScript frameworks, such as Vue.js (preferred), React or Angular + Experience designing and consuming RESTful APIs and backend services + Experience with CI/CD pipelines, DevOps practices, and tools such as Azure DevOps or GitHub Actions + Strong understanding of Git workflows, including branching strategies and pull request reviews + Experience working in cloud environments such as Azure or AWS + Experience configuring &/or administrating CMS or Digital Experience Platforms such as Optimizely (preferred), Sitecore, Adobe Experience Manager (AEM), Drupal, Umbraco, etc. + Strong understanding of application architecture, performance optimization, and scalable design principles + Stron