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# Senior Software Engineer / .NET / Hybrid in Chicagoland

- **Company:** Kelly Services Inc.
- **Location:** Bolingbrook, IL, United States
- **Experience:** Expert
- **Salary:** $120,000.0 - $137,000.0
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Relational Databases, JSON, Microsoft SQL Server, Visual Basic .NET (Programming Language), Object-Oriented Software Development, Oracle (Applications), Software Engineering, Web Platforms, .NET Core, Blazor, Webforms, Legacy Systems
- **Published:** July 17, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3323239522&tx=VT6156TYT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* 6+ years of professional software engineering experience, including object-oriented programming using .NET technologies (C#/VB.Net)
 * 5+ years of hands-on experience with APIs and JSON
 * At least 3+ years in Blazor or Razor development and .NET Core
 * Solid experience with relational databases (e.g., Microsoft SQL Server or Oracle)
 * Previous work in cloud computing environments (AWS, Azure, or GCP) is highly preferred
 * Experience with Webforms and Azure DevOps is a plus
 * Strong self-management skills, capable of handling multiple priorities
 * History of success in agile development teams

## Description

Software company looking to bring on a Senior Software Engineer. You'll be key to driving modernization and growth by developing technical solutions that enhance business operations. You will play an impactful part in modernizing legacy systems, transitioning from VB.NET to C#, and evolving web platforms from ASP.NET to Blazor. You'll also contribute to the ongoing development and improvement of the company's ERP system.


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