controlled inrun to the jump, steady pop with a steady spin, dont try to overcook it take your time with the rotation. if you go big enough you should be able to float it out and itll come around nicely.
pressure on the forward part of your boots to avoid a back seat landing. also i really stress paying attention to your shoulder position:
say you spin left, you really wanna get your right shoulder coming forward, almost pointing downard, to balance out your spin. this will keep you on your axis.
freeskiing is like any other sport. isolate your mistake and develop a solution that is the exact opposite of the mistake