AWS Security Consultant - Is There a Niche Down?

I decided there's no way that I can get world class at the front end if I'm cutting myself like half time between back end and all these other things. Because frankly, there's a lot to keep up in any given area. Even today, so he've been working in React. Jeez, I'm coming up on a decade now that it's been around. And I've been following it since it was open source. So even now, there are a number of significant libraries that I don't feel like I know well enough. Right now, because if you need it, you need it.