Freelance Software Development

25+ years professional expert experience with (but not limited to):

  • Software architecture and design
  • High performance C++ trading systems
  • Rock solid C# backend and mobile solutions
  • Full-stack JavaScript web development
  • iOS and Android apps with Xamarin and React Native
  • Low-level Windows programming
  • DevOps with Docker, Azure and AWS
  • Cross platform development (Windows, Linux, OS X)

Write Sebastian at sebbarg@gmail.com for more information.

Here is his resume and here is his LinkedIn profile.