Jonas started a company back in 1994 focusing on teaching Microsoft Office and the Microsoft operating systems. While still studying at the university of Skovde in 1995, he wrote his first book about Widows 95, as well as a number of course materials.
In the year 2000, after working as a Microsoft Office developer consultant for a couple of years, he wrote his second book about Visual Basic 6.0.
Between 2000 and 2004, he worked as a Microsoft instructor with two of the largest educational companies in Sweden teaching Visual Basic 6.0. When Visual Basic.NET and C# were released, he started teaching those languages, as well as the .NET Framework. He was also involved in teaching classes at all levels, from beginner to advanced developers.
From the year 2005, Jonas shifted his career towards consulting once again, working hands-on with the languages and framework he taught.
Jonas wrote his third book, C# Programming, aimed at beginner to intermediate developers in 2013, and in 2015 his fourth book C# for Beginners - The Tactical Guide was published. Shortly thereafter his fifth book, ASP.NET MVC 5 - Building a Website: The Tactical Guidebook, was published. In 2017 his sixth and seventh books, ASP.NET Core 1.1 - Building a Website for Beginners and ASP.NET Core 1.1 - Building a Web API for Beginners, were published.
Jonas has also produced a 24h+ video course titled Building a ASP.NET MVC 5 Membership Website (www.udemy.com/building-a-mvc-5-membership-website), showing in great detail how to build a membership website.
And a course on how to secure sensitive data in web applications titled Store Secret Data in a .NET Core Web App with Azure Key Vault is also available on Udemy.
All the books and video courses, including C# for Beginners - The Tactical Guide, MVC 5 - How to Build a Membership Website (book and video), Store Secret Data in a .NET Core Web App with Azure Key Vault, and this book, have been specifically written with the student in mind.
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