Yes I agree with you that exist also other backend technologies but I think that when you want to be really FullStack developer so it is more efficient when you can learn only one language for backend and frontend and cannot still switch between more ecosystems.
I wouldn't venture in using the word "really" here.
To learn only one language is just an illusion, as a full-stack.
If you say "one language less", then I might agree more.
Having just JS for BE & FE is convenient? Sure!
Should that be intended as Full-Stack? Well, just in some cases.
Most of the start-ups in my area do Java + React. Doesn't seem to me that they are any less efficient or limited.
FE & BE are anyway 2 distinct applications; they do not necessarily need to share the same language, nor similar logic or common models & components.
But sure, in some cases is convenient to do so!
Just remember that the full-stack is a wider world than that.
I see a lot of bootcamps or governmental programs preparing "full-stack react devs" ready to be productive in the market, because of the high request.
The issue I see is that they are not offered a diverse view and, even though a strong specialistic competence and confidence, they tend to end in a confirmation bias for lack of other experiences (note: I am not referring to anyone specific from this discussion).
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Yes I agree with you that exist also other backend technologies but I think that when you want to be really FullStack developer so it is more efficient when you can learn only one language for backend and frontend and cannot still switch between more ecosystems.
I wouldn't venture in using the word "really" here.
To learn only one language is just an illusion, as a full-stack.
If you say "one language less", then I might agree more.
Having just JS for BE & FE is convenient? Sure!
Should that be intended as Full-Stack? Well, just in some cases.
Most of the start-ups in my area do Java + React. Doesn't seem to me that they are any less efficient or limited.
FE & BE are anyway 2 distinct applications; they do not necessarily need to share the same language, nor similar logic or common models & components.
But sure, in some cases is convenient to do so!
Just remember that the full-stack is a wider world than that.
I see a lot of bootcamps or governmental programs preparing "full-stack react devs" ready to be productive in the market, because of the high request.
The issue I see is that they are not offered a diverse view and, even though a strong specialistic competence and confidence, they tend to end in a confirmation bias for lack of other experiences (note: I am not referring to anyone specific from this discussion).