If you have an university degree you can call yourself a Engineer, otherwise Developer is fine.
Fullstack is a term that people abuse of it. To be GOOD at Front End you need some knowledge in Back End and viceversa. Everyone is a Fullstack nowadays but only a few knows their side properly, so I prefer focus on one and master their needs i.e. JS, CSS, a11y, Crossbrowsing, UI, etc. and have enough knowledge of BE to give instructions to other team how you want the payloads.
Being 'fullstack' will give you more opportunities in the sort term but focus on one will give you more recognition in the long run.
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If you have an university degree you can call yourself a Engineer, otherwise Developer is fine.
Fullstack is a term that people abuse of it. To be GOOD at Front End you need some knowledge in Back End and viceversa. Everyone is a Fullstack nowadays but only a few knows their side properly, so I prefer focus on one and master their needs i.e. JS, CSS, a11y, Crossbrowsing, UI, etc. and have enough knowledge of BE to give instructions to other team how you want the payloads.
Being 'fullstack' will give you more opportunities in the sort term but focus on one will give you more recognition in the long run.