André K

I'm a freelance software engineer, technology trainer and former CTO of a tech startup. I mainly build web- and mobile apps with React and React Native.

Education is my big passion: I regularly hold interactive workshops for professionals and career-switchers. Besides, I love to learn languages of any kind.

Some key facts regarding my Software Engineering experience:

  • React + React Native development since December 2015. Choice of technology at the time as CTO of a tech startup.
  • Extensive TypeScript experience since 2017 - began using TS together with React when TS didn’t support JSX yet.
  • Top 5% worldwide in React-Native and JavaScript on StackOverFlow:
  • Technology Trainer for React Native/React/TypeScript. Held workshops at clients like Barclays, McKinsey, REWE, DATEV, DMTech among others.
  • Speaker and workshop leader for React Native/React/TypeScript at professional conferences (e.g. c't webdev, ReactNext, WeAreDevelopers World Congress)
  • Author of React Native open-source bridging modules and open-source contributor, e.g.
  • Personal blog:

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