Update May 2018 : I am not available for new projects.
I still don’t have an English CV but you can find a summary on Stack Overflow either as Developer Story or as CV
My German CV as PDF or
CV snapshot from Stack Overflow as PDF (Jan 22, 2018)
Founder of SCIO back in 1999. I used to work many years as Java developer in projects at the customer site. Then in 2010 I switched to mobile development especially games and 3D apps with Unity3D. I am now responsible for inhouse product development of iPhone apps and customer projects with Unity game engine or Xamarin.Forms.
Aside from articles posted here at www.scio.de I am an active member in some forums for example:
Business oriented social networks: