Mattias Karlsson Email & Phone Number

Software engineer and systems architect with broad experience of developing different types of applications. Under my time on WM-data, Logica and CGI I have mainly worked in Microsoft environment and the .NET environment. I have also worked in Java, but not nearly as much as .NET, and most in my first years. I have experience in many products/languages/techniques. I have worked both in teams and on my own, and both is alright with me, even if I see teamwork as a more "rewarding" way to work. For many years, I have taken broad responsibility for gathering requirements, designing and proposing solutions, planning, establishing architecture, developing, documenting and managing several customer-unique solutions. Both in projects where I am the only developer and in projects where I am part of a team.I am, or has been using, these languages/techniques in the last years. C#, VB.NET, AJAX, Regular Expressions, webservices (ASMX and WCF), web applications (ASP.NET Web Forms, MVC and Web API. ASP.NET Core Blazor), windows services, Javascript, Knockout, OData, .NET Core/5/6, ASP.NET Core, Swagger.NET/Open API, Entity Framework, Reporting Services and more.I have done much work in SQL Server and are good at designing databases, stored procedures, indexed views etc. to get good performance for difficult or demanding database workloads. Has also done much work to to efficient code in the data access layers for efficient code and good performance.To a less degree I have worked with: Java, Linux, Rabbit MQ and SQLite.