20 net developer jobs at 19 companies in Belvidere, IL
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.NET Developer - QMS
Aurora, Illinois, United States
$70k-$105k/yrOnsiteFull Time
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
Data Dimensions: Digitizes and automates paper-intensive business processes and document workflows.
5+ YOEAssociate degree plus 5 years related experience (or equivalent); knowledge of networking, SDLC, Microsoft technologies, Visual Studio, C#, .NET; strong communication and problem-solving skills.
Microsoft Visual Studio, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Windows API, C#, .Net, Microsoft SQL Server, SQL Management Studio, Python, PHP
STERISNYSE: STE: Provides infection prevention and procedural healthcare products and services.
8+ YOEBachelor's in CS/Engineering,8+ years developing commercial B2B software for web/mobile/cloud/desktop,expertise with C#/.NET and Microsoft Full Stack,Azure experience,Git/DevOps,CI/CD,strong design and problem-solving skills.
C#, .NET, Microsoft Full Stack, Microsoft Azure, Git, DevOps, MFC, Java, React, AWS, Google Cloud
Mid-America Overseas: International freight forwarding, customs brokerage, and logistics services provider.
15+ YOE15+ years in logistics/transportation; strong Microsoft SQL Server and T-SQL skills; experience with EDI (X12, EDIFACT), Altova tools, .NET/ASP.NET, JavaScript/TypeScript, and integration transports (MQ, AS2, SFTP).
Portland or Austin or San Jose or Hoffman Estates or Houston or Portland
$150k-$185k/yrHybridFull Time
CDK Global: Provides integrated technology solutions for automotive and vehicle dealerships.
8+ YOE8-12 years of experience with .NET; web APIs; modern JavaScript (Angular/React); C# expert; Unix/Linux systems; SQL/Oracle databases; leadership in scrum teams.
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
Senior Associate, Software Application and API Developer (St. Charles, Illinois) (St. Charles, IL, US)
St. Charles, Illinois, United States
$153k-$212k/yrHybridFull Time
New York Life: Provides life insurance, retirement income, and investment solutions.
7+ YOEBachelor's degree in CS/EE/Math or related field plus 7 years in software development; experience with .NET, REST/SOAP APIs, microservices; VB.NET, ASP.NET, C#, JavaScript, SQL Server; Excel/VBA actuarial models; hybrid work in St. Charles, IL.
Lead Software Engineer, OptumRx Technology - Remote
United States or Schaumburg or Minneapolis or Washington
$113k-$193k/yrRemoteFull Time
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
8+ YOEBachelor's in CS/Engineering (or equivalent), 8+ years full lifecycle software development, hands-on Go (Golang) and HTMX, REST APIs, relational DBs, Microsoft Azure, CI/CD and DevOps, strong communication and leadership skills.
Go (Golang), HTMX, .NET, .NET Core, React, TypeScript, Java, SpringBoot, Microsoft Azure, Microsoft SQL Server, PostgreSQL, Terraform, Helm, Flux, Kubernetes, Splunk, Dynatrace, Azure Application Insights, GitHub Copilot, Microsoft 365 (M365), CI/CD
MC Machinery Systems: Sells and services industrial metalworking and fabrication machinery.
3+ YOEBachelor's in CS/CE/Manufacturing, 3+ years software design and factory automation experience, proficiency with CNC, AutoCAD, SolidWorks, C#, C+, Microsoft Net Framework, MS Office; valid driver’s license and up to 50% travel.
CNC, AutoCAD, SolidWorks, Microsoft Windows, C#, C+, Microsoft Net Framework, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
Colony Brands: Operates multi-channel retail brands and catalog sales for consumer products.
5+ YOEBS or equivalent, 5+ years software development experience, 3+ years with .NET Core/C#, REST APIs, microservices, MySQL/Dynamo, Azure DevOps, Git, AWS; strong problem solving, Agile collaboration, and mentoring ability.
Walgreens: Retail pharmacy providing prescriptions and health and wellness products.
4+ YOE4+ years engineering experience (or 7+ with HS), experience with deployment automation, CI/CD, automation scripting, and 1+ year leadership; strong coding, design, and problem-solving skills.
AmadaTokyo Stock Exchange: 6113: Manufacturer of sheet metal processing machines and precision tooling.
5+ YOEBachelor's degree or equivalent, 5+ years with SyteLine/CloudSuite Industrial, expertise in Infor Mongoose, Infor OS, Birst, BQL, C#, .NET, Visual Studio, SQL; strong troubleshooting and communication skills.
Fairbanks Morse Defense: Provides naval power and propulsion systems to defense fleets.
3+ YOE3+ years full-stack experience with React, Python, Node.js, Azure, and .NET MAUI; experience with RAG, OCR, offline-first mobile apps, Azure Government Cloud, and secure production deployments.
Microsoft Azure Government Cloud, Azure OpenAI Service, React, Python, Node.js, .NET MAUI, Azure AI Vision, Azure Document Intelligence, Azure AI Search, Microsoft Project, Microsoft Semantic Kernel, LangChain, LangGraph, PouchDB, CouchDB, SQLite, Git, Docker, Blazor Hybrid, SCADA, HMI
Nelson Global: Engineers and manufactures thermal management and exhaust systems.
3+ YOEBachelor's in Mechanical Engineering, 3+ years product design experience with solid modeling (Inventor preferred), strong fluid mechanics and thermodynamics knowledge, CAD and project management skills, ability to travel 10-25%.
CSC: Provides global business administration and compliance solutions.
7+ YOEBachelor's degree or equivalent, 7–10 years software development and architecture experience, C#, Python, Azure, .NET, React, Node.js, GitHub, Azure DevOps, experience mentoring developers and using Agile practices.
South Barrington or Chicago or Indiana or Tennessee or Florida
HybridFull Time
Bright Hope International: Empowering local churches to alleviate extreme poverty internationally.
3+ YOE3+ years major gifts development experience, grant writing preferred, Salesforce and Microsoft Office proficiency, strong verbal/written skills, ability to cultivate high-net-worth donors and travel domestically and internationally.
Salesforce, Microsoft Outlook, Microsoft Word, Microsoft Excel
NorthWinds Technology Solutions: Developing cloud-based technology platforms for the dental insurance industry.
5+ YOE5+ years building object-oriented services (Java or .Net), experience with cloud services (AWS/Azure), leading implementations, people management, and developing documentation and runbooks.
Arthur J. Gallagher & Co.NYSE: AJG: Global insurance brokerage and risk management services provider.
8+ YOE8+ years in software/solution/platform architecture with hands-on coding (C#/.NET, Python, TypeScript/JavaScript), deep Microsoft Azure expertise, AI-assisted development experience, and strong communication; Bachelor's required or equivalent.
C#/.NET, Python, TypeScript/JavaScript, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Container Apps, Microsoft Azure AI Services, Microsoft Azure SQL, Microsoft Cosmos DB, Microsoft Service Bus, Microsoft APIM, Microsoft Azure AI Search, Microsoft Azure OpenAI, OpenAI, Anthropic, GitHub Copilot, Cursor, Claude Code, Windsurf, Semantic Kernel, LangChain, AutoGen, Pinecone, Docker, Kubernetes, Bicep, Terraform, TOGAF, C4 model