Having that foundational knowledge is absolutely something that you can use to your advantage in the industry! Starting out as a generalist and then finding your niche is a path that the vast majority of developers will (and should) follow.
The struggle appears at agencies or companies when they set expectations about being well versed in such a broad set of technologies that often have no relation. That's where the distinction between seeking a generalist and a specialist should be addressed!
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Having that foundational knowledge is absolutely something that you can use to your advantage in the industry! Starting out as a generalist and then finding your niche is a path that the vast majority of developers will (and should) follow.
The struggle appears at agencies or companies when they set expectations about being well versed in such a broad set of technologies that often have no relation. That's where the distinction between seeking a generalist and a specialist should be addressed!