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C# Software Engineer

Snap-on

Listing collected from Snap-on's career site. NextChapter is independent of Snap-on.

Lincolnshire, IL · Posted November 9, 2026

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Skills this job asks for

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  • Agile
  • SQL
  • Azure
  • CI/CD
  • DevOps

About the job

Overview

Snap-on Diagnostics is seeking an outstanding C# Software Engineer to work on enhancing and maintaining applications which are critical for business. In this role, you will be part of a global team that designs and develops new features, fixes bugs, and addresses technical debt.

This position requires an excellent team player with great communication skills who demonstrates a passion for delivering software of uncompromising quality to customers.

Essential skills required (5 to 10 years solid experience of the following):

Expertise in C# and .NET Core / .NET 6+ with focus in web development (Web Services and Web API)

Experience using architecture patterns like MVC, MVVM, and DDD

Strong understanding of code refactoring, modularization, and best practices for maintainability and scalability.

Implements and enforces SOLID principles, Clean Architecture, and Deign Patterns (Factory, Repository, Dependency Injection)

Working knowledge of Entity Framework, LINQ, and SQL / SQL Server

Experience in test automation using tools / frameworks (Postman, Selenium, NUnit) and writing clean, testable code.

Practiced in Agile development methodologies including Scrum and Kanban

Able to implement new and improve existing engineering standards, best practices, and processes.

Successful Track Record as a Team Player

Excellent verbal and written communication skills

Self-Motivated and self-organizing

The following skills are not essential, but desirable:

Windows system troubleshooting knowledge using Windows Event Logs, Performance Monitoring, and Windows Debugger (WinDbg).

Hands-on experience with CI/CD pipelines using Jenkins

Understanding of authentication mechanisms including OAuth, AuthLink, and OKTA.

Version control experience with Bitbucket, Git.

Microsoft Azure experience including Azure DevOps – Azure Pipelines is a plus.

***Must reside within driving distance of Lincolnshire, IL** NO RELOCATION EXPENSES ARE OFFERED

This position has an annual salary between $100,000 - $130,000

“Actual compensation may vary based on experience and other factors"

Snap-on is an Equal Opportunity Employer, Minority/Female/Disabled/Veteran