Top Senior .NET Developer Jobs in Chicago, IL

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.

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 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.

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

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.

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 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.

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.

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, develop, test and deploy .NET web applications using WCF, ASP.NET/MVC, Entity Framework and SQL Server. Debug, tune and optimize high-volume apps and IIS, perform design/architecture reviews, follow SDLC and project lifecycle activities, collaborate with stakeholders in a global financial-services environment.

As a Staff Software Engineer for Liquidity Management, you'll lead architectural decisions, mentor engineers, and drive platform development, focusing on scalable, reliable systems for treasury management in a fast-paced environment.

Lead design and delivery of scalable, reliable software using C#/.NET, SQL Server, React, and Azure. Own complex initiatives from design through operations, mentor engineers, improve CI/CD, observability, and apply DDD/TDD/VSA practices. Use modern APIs, microservices or modular monoliths, and AI-assisted tooling to improve delivery.

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.

Design, develop, test, document, and maintain .NET web applications in a team environment. Mentor junior developers, assist project planning and timelines, evaluate emerging technologies, and manage/assign work via a ticket tracking system.

Lead development of client websites and new application components using the Microsoft stack. Create technical specifications, oversee testing and deployment, manage production issues, prioritize maintenance, and ensure operational effectiveness across front-end and back-end systems.

Design, code, test and deploy .NET applications (about 50% hands-on). Provide strategic technical guidance, define team patterns and practices, ensure adoption of technologies, and mentor the team while staying current with tools and methodologies.

Design, develop, test, document and maintain .NET web applications using C# and SQL Server. Mentor junior developers, manage tickets, plan project tasks, record daily activity, and introduce relevant emerging technologies.

As a Sr. Software Engineer at Bloomerang, you will lead technical direction, mentor engineers, and enhance SaaS solutions while utilizing .NET and AI tools. You will ensure scalable, maintainable applications, advocate for Agile workflows, and focus on quality outcomes in software development.

Develop and maintain UI using Knockout.js, HTML5, CSS3, JavaScript and jQuery; consume RESTful Web APIs; work in Visual Studio 2012/C# .NET; use TFS; follow Agile practices in an onsite-offshore model. Requires 8+ years experience.