Jonas started a company back in 1994 focusing on education in Microsoft Office and the Microsoft operating systems. While studying at the university 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. First teaching Visual Basic 6.0, and when Visual Basic.NET and C# were released he started teaching these languages as well as the .NET Framework. Teaching classes on all levels for 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.
Fore the past two years he has been teaching C#, SQL Server Programming, Entity Framework and MVC 5 to students at a vocational college.
Jonas wrote his third book C# programming aimed at beginners to intermediate developers in 2013 and in 2015 his fourth book C# for beginners - The Tactical Guide was published. Jonas has also produced a 24h+ video course called. In July 2016 his latest book ASP.NET MVC 5 - How to build a membership website will be released on Amazon which this video course is based on.