You can't "create" 10x engineer. You either have work ethic or you don't. If you have the work ethic, if you're disciplined, if you genuinely enjoy programming and the feature/software you work on - then you have the capacity to be better than engineers who enter this line of work purely and only for the money. That's what makes the difference. And no company can make you like the software you're making, to be discip…
So that may be a limiting factor even when your work ethic is high.