What language/technology/Framework is XING built with?
A:
The first parts where all Perl, new components like MarketPlace and PremiumWorld and are Ruby on Rails. You can see their involvement with Ruby on Rails e.g. that they are sponsoring Rails Konferenz.
A detailed overview is on slide 7 of a presentation about Engineering at Xing
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2009-07-25 10:37:59