64 dotnet developer jobs at 47 companies in Union, IL
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Developer
Lombard, Illinois, United States
$102k-$127k/yrRemoteFull Time
Transdev: Operator of public transportation systems and mobility solutions.
3+ YOERequires 3 years of .NET development experience, Visual Studio, VB.NET or C#, SQL, Windows Server, Active Directory, IIS, SOAP/REST, and JSON/XML; bachelor's degree or equivalent experience.
.NET, VB.NET, C#, ASP.NET, JavaScript, Microsoft SQL Server, Oracle, Microsoft Visual Studio, Google Maps, IIS, SOAP, REST, JSON, XML, .NET Core, Windows Server, Microsoft Active Directory, SSO, Microsoft SSRS, Microsoft SSIS, Microsoft Excel, Microsoft Outlook, Microsoft Word, Microsoft Teams, Microsoft Azure DevOps, Git, MySQL
Warrior Insurance Network: Provides auto insurance and management services for member carriers.
5+ YOE5+ years professional software development experience; strong C#, .NET, React skills; proficiency with Git, CI/CD, automated testing, AI-assisted development tools; bachelor's in CS/engineering or equivalent.
C#, .NET, React, Git, CI/CD, Microsoft Azure, AWS, Claude Code, Codex, GitHub Copilot, SQL, REST APIs
United AirlinesNASDAQ: UAL: Operates a global network of passenger and cargo flights.
4+ YOEBachelor's in CS/CE/EE/MIS,4+ years software development experience, AWS and backend API experience (Java/Node/Python), CI/CD, Kubernetes, Git, cloud platforms, Agile, strong communication; must be authorized to work in the US.
QT9 Software: Cloud-based QMS and ERP software for regulated industries.
1+ YOEMust have .NET experience with C#, ASP.NET MVC/Web Forms, Web API, and SQL Server; Bachelor's degree in Computer Science/Engineering; 1+ years professional development experience; strong OOP and problem-solving skills.
.NET, C#, ASP.NET MVC, ASP.NET Web Forms, Web API, SQL Server
The Joint Commission: Accredits and certifies US healthcare organizations to ensure quality.
5+ YOEBS in CS or related field or equivalent; 5+ yrs distributed multi-tier software development; strong comms; lead experience; proficient in C#/NET, HTML/JS; SQL Server; API development; Agile; OOP/SOLID.
C#/.NET, HTML, JavaScript, jQuery, Angular 2+, Microsoft SQL Server, Entity Framework, API development, Git, TFVC, Visual Studio, Azure, AWS, Azure DevOps, N Telerik Kendo UI, NativeScript, Xamarin, Windows UWP, OOP, SOLID
Uline: Distributes shipping, industrial, and packaging materials across North America.
5+ YOEBachelor's in CS/IT or related, 5+ years web development, strong OOP and web architecture, experience with ASP.NET, MVC, C#, JavaScript, T-SQL, code versioning and CI/CD.
ASP.NET, MVC, C#, JavaScript, T-SQL, CI / CD tools
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
3+ YOEBachelor's degree in computer science or engineering; 3+ years full-lifecycle software development; 2+ years HTMX; 1+ year Go building services, APIs, and web applications.
Go, HTMX, Microsoft .NET, React, Tailwind, Microsoft Azure, GitHub Copilot, Microsoft 365, Terraform, Helm, Flux, Kubernetes, Splunk, Grafana, Prometheus, Dynatrace, Application Insights, OWASP, HIPAA, MS SQL, PostgreSQL
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
2+ YOEBachelor's degree with 2 years' experience or master's degree with 0 years; experience with full-stack development, web applications, cloud infrastructure, JavaScript frameworks, server-side languages, databases, HTML, and CSS.
WescoNYSE: WCC: Distributes electrical and industrial products and supply chain solutions.
5+ YOE5+ years development experience in enterprise environments; experience with IBM Sterling B2B Integrator, .NET (C#), Java, JavaScript, SDLC and Agile; strong communication, troubleshooting, and documentation skills.
.NET, C#, Java, JavaScript, IBM Sterling B2B Integrator
STERISNYSE: STE: Provides infection prevention and procedural healthcare products and services.
3+ YOEBachelor's in CS or related,3+ years software development,experience with C#/.NET,SQL Server or Oracle,Git,Agile,communication and troubleshooting skills.
Microsoft .NET, C#, SQL Server, Oracle, Git, CI/CD, DevOps
DKW Communications: Provides IT modernization and cybersecurity services for government agencies.
5+ YOEU.S. citizen able to obtain Secret clearance; Bachelor's in engineering/computer science; 5+ years software development for modeling and simulation; experience with Windows and Linux; proficiency in Assembly, C/C++, .NET, Java; CompTIA Security+ preferred.
Assembly, C, C++, Microsoft .Net, C#, VB, Java, Microsoft Windows, Windows 7, Windows 10, Windows Server 2008R2, Windows Server 2012R2, Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Linux
Guarantee Trust Life: Provides life, health, and supplemental insurance products and services.
7+ YOE7+ years software development experience; degree in Computer Science/Data Science or equivalent; proficiency in .NET (C#/VB.NET), SQL/SQL Server, HTML, JavaScript, Visual Studio; experience with TFS/Git/GitHub; insurance domain familiarity.
.NET, C#, VB.NET, SQL, SQL Server, HTML, JavaScript, TFS, Git, GitHub, LifePro, Salesforce, Microsoft Visual Studio
Guarantee Trust Life: Provides supplemental life and health insurance products to individuals.
7+ YOE7+ years software development; degree in computer science/data science or equivalent; proficiency with .NET (C#/VB.NET), SQL/SQL Server, HTML, JavaScript; Visual Studio and TFS/Git experience; insurance domain familiarity; strong communication and engineering skills.
Oak Brook or Alabama or Arizona or Florida or Georgia or Iowa or Illinois or Indiana or Michigan or Minnesota or Missouri or North Carolina or Nebraska or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or West Virginia
$107k-$137k/yrRemoteFull Time
Inspira Financial: Provides health, wealth, retirement, and financial custody solutions.
5+ YOE5+ years software product development experience; expertise in .NET (C#), .NET Core, MS SQL/T-SQL; cloud, container, and Kubernetes experience; Agile SDLC, automated testing, security and compliance knowledge; Bachelor’s preferred.
MC Machinery Systems: Sells and services industrial metalworking and fabrication machinery.
3+ YOEBachelor’s degree in a relevant engineering or computer science field, 3+ years of software development and factory automation experience, C#/.NET, Windows, design software, driver’s license, and strong troubleshooting skills.
AutoCAD, SolidWorks, Microsoft Windows, C#, .NET Framework, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, CNC
International Motors: Manufacturer of commercial trucks, buses, and diesel engines.
1+ YOEExperience with .NET Core, ASP.NET, C#, ReactJS, SQL, Kubernetes, Git/TFS, CI/CD; Bachelor's (2+ yrs) or Master's (1+ yr) or 5+ yrs experience; authorized to work in the US.
Aldridge: Builds electrical and foundation systems for critical infrastructure projects.
3+ YOE3+ years AEC experience, proficiency in C# (.NET) and Python, expertise with Dynamo/Grasshopper, advanced Revit and Navisworks knowledge, experience building plugins using Revit API, and SQL/NoSQL familiarity.
Autodesk Revit, Navisworks, Python, Dynamo, C# (.NET), Revit API, Autodesk Construction Cloud, Grasshopper, Rhino, SQL, NoSQL, AI
Lead Software Developer (.NET) & Head of thyssenkrupp IoT U.S. Office
Kenosha, Wisconsin, United States
OnsiteFull Time
thyssenkruppXetra: TKA: Global industrial engineering and materials technology group.
5+ YOE2+ MgmtBachelor's degree or equivalent,5+ years software development experience with .NET/C#,2+ years leading or mentoring teams,agile experience,customer-facing skills,willingness to travel up to 20% within North America.
Sr. Software Engineer - Middleware (Hybrid - Oak Brook, IL)
Oak Brook, Illinois, United States
$86k-$163k/yrHybridFull Time
Chamberlain Group: Provides smart access solutions and residential garage door openers.
5+ YOE5+ years of software development experience; Bachelor's in Computer Science or related field; strong Agile/Scrum experience; .NET/C#, Azure, SQL; RESTful services; CI/CD; mentoring and leadership abilities.