Which is ironic, considering the best way to improve your product is to delay the backend implementation until you have a well tested and validated user experie

Which is ironic, considering the best way to improve your product is to delay the backend implementation until you have a well tested and validated user experience designed. Because you can then derived a good architecture from that, but never the other way around. But UI means dealing with those messy humans, while the backend is this nice quiet place where you can whisper to orderly computers. As a backend dev, my projects started to get way better once I learned to not start with the database model and start to test some mock up on users first. Yet it's so tempting...