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Jacek Krawczyk

Software developer and physicist. 🔬

9 years of career in Delphi. ⌨️

Previously 10 years of experience in the website development. 🌐

A Half-Marathon-Runner! 🏃

You can buy me a coffee...

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  • Berlin, Deutschland
  • Member for 4 years, 8 months
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  • Last seen Oct 8 '19 at 10:31

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