As someone with a decade+ long background in digital/product design and a 1 year fresh stint in full stack development, the answer from me is a resounding yes.

As someone with a decade+ long background in digital/product design and a 1 year fresh stint in full stack development, the answer from me is a resounding yes. I can create apps that have perfect cohesion between design and logic without specs. I can skip the PSD entirely and develop my layouts and styles iteratively as I code. Whenever there are gaps in design decisions or stylesheet errors, I can smooth them out as I'm building the feature for the first time. Between the UX and the database models, I know how it should work and how it must work.