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Jeff Knutson, C# Developer in Minneapolis, MN, United States
Jeff Knutson

C# Developer in Minneapolis, MN, United States

Member since January 23, 2014
Jeff is an engineer, developer, and entrepreneur with around 20 years of experience in working with both Fortune 100 companies (such as 3M and Best Buy) and medium/small business. He led teams and was an individual contributor, depending on the team and the client's needs.
Jeff is now available for hire



  • C#, 12 years
  • JavaScript, 10 years
  • Git, 4 years
  • Windows PowerShell, 3 years
  • ASP.NET Web API, 2 years
  • VS Code, 2 years
  • TypeScript, 1 year
  • Angular, 1 year
Minneapolis, MN, United States



Preferred Environment

Visual Studio/VS Code, .NET, C#, JavaScript, Git

The most amazing...

...thing I've recently built is the search code for, which performs a Google-like search over the product catalog with the user query.


  • Application Security Specalist

    2014 - PRESENT
    Best Buy
    • Performed security assessments/penetration testing.
    • Provided technical guidance, consulting, and governance for Best Buy's customers, workforce, partners, and other business stakeholders regarding security best practices.
    • Handled code reviews for security defects.
    • Wrote ad-hoc PowerShell scripts to perform specific security assessment actions.
    • Maintained and enhanced internal websites used for doing penetration testing and generating reports.
    Technologies: Burp, IBM AppScan, JavaScript, jQuery, AngularJS, PowerShell, Kali, NMap, Burp Proxy
  • Principal Good Guy

    2008 - PRESENT
    Good Guy Consulting
    • Owner and Principal Consultant for Good Guy Consulting, Inc (
    • The company helps businesses apply technology to innovate and automate their business processes, for increased efficiency.
  • Developer

    2014 - 2014
    Cache Financial Services
    • Provided .NET and JavaScript development expertise for a provider of mobile remote check deposit capture services for small to midsize financial institutions.
    • The technology stack was Visual Studio 2010/2013, C#, .NET 4.0/4.5, ASP.NET MVC, IIS, Entity Framework, JavaScript, PowerShell, jQuery, Redmine, Team City and Microsoft SQL Server.
    • This shop was heavy into TDD and mocking frameworks.
    • Supported and added new features to an internal website used by the bank’s back office to review/approve/decline uploaded checks.
    • Participated in peer reviews for all code checkins.
    Technologies: C# ASP.NET MVC JavaScript, SQL Server IIS
  • Web Development Consultant

    2014 - 2014
    Thomson Reuters
    • Helped build new features for the WestLaw Next suite using: Visual Studio 2012, TFS, C#, JavaScript, Backbone.js, QUnit, AngularJS, Jasmine, Grunt, JSHint, XSLT, and PowerShell.
    Technologies: AngularJS, Backbone.js, JavaScript, C#, Visual Studio 2012, XSLT, TFS
  • Web Development Consultant

    2012 - 2014
    Best Buy
    • Helped develop and support the In-Store and Online TradeIn applications, for the Secondary Markets Division. The application was used by the BestBuy employee whenever a client brought in a device for trade-in, to determine the value of the item brought in.
    • Created a PowerShell module to automate code submission for static code analysis to Veracode.
    • Created the initial threat model and worked with the internal Best Buy Enterprise Information Protection team to identify, classify and mitigate threats.
    Technologies: .NET 4/4.5, ASP.NET MVC 3/4, SQL Server, C#, AJAX, REST, JavaScript, jQuery, HTML 5, TFS 2010, and PowerShell (operations).
  • Team Lead/Consultant/Developer

    2011 - 2012
    Thomson Reuters
    • Was a tech lead/developer for the FirmCentral and Concourse products, for the Thomson Reuters Legal division.
    Technologies: C#, .NET 4.0, ASP.NET MVC 3.0, jQuery, JavaScript, MSTest, Microsoft TFS and Backbone.js.
  • Developer/Consultant

    2010 - 2011
    Dow Jones
    • Helped build a data import tool to get Telekurs data into the Dow Jones system.
    Technologies: Visual Studio 2010, C#, Castle ActiveRecord, Windsor Container IoC, MSTest, jQuery, and jQuery UI.


  • WestLaw Next (Development)

    I helped build this webssite in 2008-2010 as part of the Document Display team, and am currently helping add additional content to it.

  • Best Buy TradeIn (Development)

    I helped build a lot of the backend code for this website using ASP.NET MVC 4, C#, SQL Server 2008, Stored Procedures, PowerShell, SpecFlow, Microsoft Unity, and MSTest. I created the initial threat model and helped run static analysis code scans using Veracode.


  • Languages

    JavaScript, C#, TypeScript, T-SQL
  • Frameworks

    Jasmine, Windows PowerShell, NUnit, ASP.NET MVC, ASP.NET Web API, .NET, ASP.NET, Angular
  • Tools

    Microsoft Visual Studio, GitHub, Git, TFS, Karma, VS Code, Subversion (SVN), Notepad++, WebStorm
  • Paradigms

    Object-oriented Programming (OOP), Test-driven Development (TDD), Service-oriented Architecture (SOA), Agile Software Development
  • Platforms

    Windows Server, Windows
  • Storage

    SQL Server Management Studio, Microsoft SQL Server
  • Libraries/APIs

    Backbone.js, jQuery, jQuery UI, React, Node.js
  • Other

    Internet Information Services (IIS)


  • Bachelor of Science degree in Computer Information Systems
    1991 - 1995
    Minnesota State University - Moorhead - Moorhead, MN
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