I keep myself updated enough. For certain details I rely on other team members to fill in my gaps; much like I fill in their gaps. I'm also not a unicorn, nor

I keep myself updated enough. For certain details I rely on other team members to fill in my gaps; much like I fill in their gaps. I'm also not a unicorn, nor is anyone else on my team. We're generalists with various amounts of career experience, and we all learn from each other. Our UI is neat and functional. You do not need to be a unicorn to make a reasonably good looking web application as a full-stack developer. If our company lasts long enough where we need to make the UI super pretty, and need to optimize our backend to handle massive scalability, then we will seek more specialized developers and specialize ourselves.