I've heard it referred as a "magpie developer": https://blog.codinghorror.com/the-magpie-developer/ https://blog.codinghorror.com/the-magpie-developer/ though

I've heard it referred as a "magpie developer": https://blog.codinghorror.com/the-magpie-developer/ https://blog.codinghorror.com/the-magpie-developer/ though that's less for a competitive advantage and more because new tech is shiny