yo guys! so i just started playing. Im still getting the hang of everything, and I just have a question on jobs.

Does it make a difference if you switch jobs early or late? Like for instance, to become a paladin you need to be gladiator lvl 30 and conjuror lvl 15, but what happens if i become a paladin when my gladiators lvl 40 and conjuror is lvl 30? do i miss out on anything?

thanks sorry for the noob question haha...