Top .NET Developer Jobs in Chicago, IL

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Seeking a Senior Software Engineer to design and implement multimedia data systems using C# and .NET Core. Responsibilities involve developing high-performance applications, collaborating with teams, and driving engineering excellence in an Agile environment.

Build and maintain scalable, cloud-native APIs using .NET. Enhance core platform components, lead architecture and testing discussions, optimize telemetry and performance, collaborate cross-functionally, conduct code reviews, and mentor team members.

The Senior .NET Software Engineer will drive development of .NET software products, focusing on back-end engineering, code reviews, and collaborating with cross-functional teams.

As a Senior Software Engineer at PerfectServe, you'll design, build, and maintain high-quality code for healthcare communication systems, mentoring junior engineers and collaborating across teams to improve patient care and clinical workflows.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.

Lead backend development on the scheduling platform modernization, contribute across products, write APIs, and drive AI-accelerated software development workflows.

Lead backend development on the scheduling platform modernization. Contribute across Python and .NET ecosystems, write APIs, review code, and support AI-accelerated development workflows while collaborating in a remote team environment.

Design, build, and maintain cloud-based, n-tier web applications across the full software development lifecycle. Collaborate with engineers and stakeholders, translate requirements into solutions, perform architecture work, estimate and plan projects, and support clients while ensuring high-quality delivery.

The Software Engineer will enhance and modernize .NET applications, develop APIs and microservices, and manage cloud services, with a focus on cross-platform and mobile development.

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.

Design, develop, test, and maintain scalable C#/.NET applications and RESTful APIs. Build data-driven platforms, implement CI/CD and DevOps practices, deploy containerized apps (Docker/Kubernetes) on AWS, troubleshoot production issues, and collaborate on architecture, code reviews, and observability improvements.

Senior .NET developer responsible for day-to-day .NET development, collaborating with client architects to design solutions and application architecture, resolving client queries, and delivering SSIS/SSRS-integrated database work with SQL/Oracle.

Develop, test, deploy, and maintain .NET-centric web applications using C#, Angular 17+, and Azure. Build and consume REST APIs, work with SQL Server, source control, CI/CD pipelines, and collaborate on code reviews, debugging, performance optimization, and third-party integrations.

Develop and maintain scalable software solutions, mentor developers, and integrate AI tools. Collaborate on technical solutions aligned with business goals.

Develop, maintain, and optimize backend services and APIs for a scalable healthcare platform using Node.js, Java, or .NET. Integrate third-party services, ensure performance, reliability, and security, collaborate with cross-functional teams, participate in code reviews, and work in an Agile environment to deliver high-quality server-side applications.

Develop and maintain .NET applications, cross-train on RPA tools (Automation Anywhere, Blue Prism), perform web development (HTML/CSS), use IDEs like Visual Studio/WebSphere, support process automation/integration projects, gather business requirements from clients, and travel frequently (50–70%). Must pass background and drug screening.

Design, develop, test, and support client websites using Microsoft .NET technologies. Implement VB.NET/ASP.NET features, work with SQL Server and Reporting Services, utilize Telerik and AJAX controls, and use jQuery/JavaScript. Troubleshoot, maintain relational database-driven applications, and collaborate with stakeholders.

Contract .NET developer/consultant role requiring 5+ years experience building web applications using C#, .NET, Entity Framework, SQL Server, LINQ, WCF, MVVM/MVC, and JavaScript frameworks (JSRender, Angular, Node, jQuery, HTML5). 6+ month contract; rate DOE.

Develop end-to-end applications using .NET/C#. Build SSIS packages and design database objects (tables, views, stored procedures, triggers). Apply strong OOP principles, solve problems, and communicate effectively with stakeholders.

Develop and maintain .NET applications using C#, OOP and design patterns. Build and integrate Web Services, WCF, MVC4, and ORM solutions (Entity Framework or NHibernate). Work with SQL Server and MSMQ. Communicate effectively and apply analytical problem-solving to technical issues.

Develop and maintain .NET web applications as part of an agile feature team. Collaborate with product owners and clients, use TDD and automation, optimize SQL Server queries, and improve continuous delivery pipelines to produce clean, maintainable code.

Senior C#/.NET enterprise developer to work onsite in Chicago. Build MVC applications, integrate with ERP systems using SOA in n-tier environments. Use Telerik, AJAX, JavaScript/jQuery, HTML/CSS, and strong SQL Server skills (T-SQL, SSIS, SSRS). Participate in full SDLC and communicate requirements with business stakeholders.

Senior .NET developer responsible for designing and developing applications on .NET Framework 4.5 using ASP.NET, C#, VC++ and SQL Server. Must have deep experience with .NET MVC, WCF, Web API/REST, SDLC and project lifecycle activities, perform design and architecture reviews, work in the financial services/investment domain, lead teams, and contribute in a global delivery, agile environment.