Top .NET Developer Jobs in Chicago, IL

Develop middleware components and services in .NET (C#) using Entity Framework, LINQ, WCF/WebAPI in an SOA environment. Build multithreaded, high-performance applications, design BAL/DAL layers, apply OOP and design patterns, perform SQL Server development and tuning, participate in design/architecture reviews, and work in Agile teams using CI/CD tools (Jira, Jenkins). Financial services/trading experience and MongoDB knowledge are desirable.

Develop and maintain .NET middleware components and services using C#, Entity Framework, LINQ, WCF/WebAPI. Build multithreaded, multi-node, high-performance applications, design business and data access layers, optimize SQL Server performance, perform architecture and design reviews, use CI/CD tools (Jira, Jenkins), and collaborate in Agile teams. MongoDB/NoSQL and financial domain experience preferred.

Develop and maintain middleware components and services in .NET (C#) using WCF/WebAPI, Entity Framework, and SQL Server. Build multithreaded, high-performance applications, design abstract business and data access layers, participate in design/architecture reviews, and support CI/CD pipelines and Agile delivery.

Develop and lead Sitecore-based web solutions using ASP.NET/C#, design multilingual sites, perform architecture and solution design, integrate via APIs/web services, manage content migration, tune Sitecore performance, oversee release management, and lead a development team.

Design, develop, and maintain .NET applications using .NET Framework 4.5, ASP.NET, C#, VC++, SQL Server, MVC, WCF, and Web API/REST. Participate in SDLC, architecture/design reviews, project lifecycle activities, Agile execution, and lead teams in a financial services/investment domain within a global delivery environment.

Design and develop enterprise applications using .NET Framework 4.5, ASP.NET, C#, VC++, SQL Server, MVC, WCF and Web/API/REST services. Participate in SDLC, architecture reviews, project lifecycle activities, Agile execution, and lead teams in a financial services/global delivery environment.

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.

Design, develop, and maintain .NET applications using .NET Framework 4.5, ASP.NET, C#, VC++, SQL Server, MVC, WCF, and Web API/REST. Participate in design and architecture reviews, SDLC and project lifecycle tasks, lead teams, and work in Agile and global delivery environments within the financial services domain.

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.

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.

Senior C#/.NET developer to design and build enterprise ASP.NET/MVC applications, integrate with ERP systems via SOA in n-tier environments, develop front-end with AJAX/jQuery/CSS/HTML, and implement/report using SQL Server (T-SQL, SSIS, SSRS). Must have classic ASP and VB6 experience, work full SDLC, and be onsite in Itasca, IL.

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.

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

The Full Stack .NET Developer will enhance Coretek's Insights product by developing features, improving user experience, and collaborating with stakeholders while applying Agile methodologies and CI/CD practices.

The Senior .NET Software Engineer will develop and manage work-management software using a wide technology stack while collaborating with a remote engineering team.

The Full Stack .NET Developer will design, develop, and maintain internal applications using .NET technologies, support users, and ensure security compliance.

This role involves maintaining and modernizing .NET applications, developing cross-platform mobile applications, and integrating systems in a cloud environment.

Design, develop, and maintain scalable ASP.NET/C# APIs and microservices and front-end interfaces (Vue.js, AngularJS) for retail omni-channel and POS platforms. Contribute to architecture, write production-quality code, troubleshoot issues, participate in code reviews, and collaborate with product, design, and QA to deliver features with minimal onboarding.

Design, develop, implement and support web applications using .NET Core. Collaborate with internal bank teams and external vendors, troubleshoot production issues, and apply strong interpersonal, leadership, and problem-solving skills.

Seeking a Senior Full Stack .NET Developer to work on a social good project, with strong skills in C#, AngularJS, design, and UX. Requires 5+ years of experience.

The Staff Engineer will leverage 5+ years of experience in C#, JavaScript, and frameworks to lead and innovate solutions in a collaborative environment.

As a Principal .NET Software Engineer at Versapay, you will modernize payments infrastructure, improve scalability, design distributed services, and take ownership of payment workflows while collaborating with various teams to enhance customer experience.

The .NET Developer will design, develop, and enhance web-based applications, maintain ERP solutions, and collaborate with cross-functional teams to support software throughout its lifecycle.

The Back End Software Engineer will design and build scalable services for a SaaS platform, collaborate with teams, and contribute to quality code and architecture discussions.