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Christopher Klein

Fullstack Software Developer
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About me

Hi! I am Christopher Klein - a Fullstack Software Developer from Münster, Germany and I call myself a a passionate Fullstack Software Developer. My focus is on the development and architecture of modern web applications, database systems and interfaces in the Microsoft universe. In my spare time I like to try out new technologies and frameworks to stay up to date.

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Get in touch
My Story

I have been working as a professional Software Developer since 2014. Professionally, I have a lot to do with the development of web applications, SharePoint solutions or enterprise applications. Additionally I develop interfaces for enteprise resource planning systems and other systems. The development of small tools for data processing belongs to my everyday life. The main reason why I created this site (especially the blog) is because it forces me to teach myself what I don't know. Additionally I would like to have my own little portfolio with examples and suggestions for software development. Last but not least I hope that my posts can help other developers.

My Hobbies
OVERVIEW
  • Music

    I like to listen to electronic music.

  • Programming

    Of course I love programming not only for work but in my spare time.

  • Travel

    I think travling is always a good idea. :)

Experience

What am I doinig professionally

My focus is on the development and architecture of modern web applications, database systems and interfaces in the Microsoft universe.

Job History
Fullstack Software Development
  • _________

Fullstack Software developer in the Microsoft enterprise development environment

Inhouse Development
  • _________

Software developer in a research department to evaluate the use of new technologies in the Microsoft development environment

Project Work
  • _________

.NET Software Development for document management systems.

Training
  • _________

.NET Software Development

Skills

Technologies

In this section you will get a small overview of all my business relevant skills and interests.

  • Azure DevOps
  • Microsoft SQL Server Reporting Services
  • Visual Studio Code
  • Microsoft Windows
  • Postman
  • SQLite
  • Microsoft Visual Studio
  • Microsoft SQL Server
  • Microsoft SharePoint
  • Microsoft Azure
  • Document Management
  • SharePoint Development
  • Java
  • SQL
  • jQuery
  • ASP.NET MVC Core
  • .NET Core
  • APIs
  • XML
  • Python
  • CSS
  • REST
  • WCF
  • Javascript
  • Microsoft Azure AppServices
  • git
  • HTML
  • TypeScript
  • Angular
  • Microsoft .NET
  • C#
Software Architecture
Database Design
Interfaces
Backend Development
Frontend Development
Database Design

I am able to design good structures of relational database systems. Additionally I have a lot to do with the technical implementation of all kinds of interfaces (e. g. API, Services, Tasks, Databses)

Software Architecture

I am a certified iSAQB CPSA-F Software Architect. I try to follow all necessary steps to achieve a good software architecture according to different software architecture patterns.

Blog

My Projects

Here's my latest Blog post.
Take a look into the whole blog!

ASP.NET Core IdentityServer4 OAuth2.0 authentication with custom user validation and secured Web API
March 23, 2020
.NET Core, Web API
10 minutes read time

What is this post about? This post shows how to setup the IdentityServer4 in combination with an ASP.NET Core Web API using OpenID Connect and OAuth. I will show you two different ways of authorization. The first will be the server-to-server communcation with a secured API. The second will be an extension for the identity […]

Read more
Visit My Blog

Contact

Get In Touch With Me

You can contact me by using this form or by adding me in some social platform (links in footer)

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