I think the slower parts should be more interspersed within the faster parts. Does that make sense? Like cut the intro down, get into the fast part sooner, it sounds great. But go back and forth between fast and slow parts more, like you do in the final third of the track. I think that mixes better. I'm definitely not qualified to review your work either, obviously, but that's what I as a listener (and avid EDM fan... go to a lot of festivals) would prefer to hear. You gotta think about the listener, what they're going thru when listening to your track. They're not engaged enough to hear everything you're setting up. You've got to GIVE IT to them. Deliver!