I like very much what you have done with this Juniper. I would like to offer a suggestion. You almost never see a first rate Juniper that does not have a degree of dead wood incorporated into the final image. I bring this up because it is obvious you decided to totally remove and basically flush cut the large branch. If the tree were mine I would have tried to find a way to cut and break and tear this branch in such a way to make it look as though the elements had removed the branch, not cut it off like some logger. Visible evidence of damage on a tree should not shout man made. It should say this is natural.
If you are looking to see this branch heal over and disappear from view it probably will not. If it does it will take twenty years. Junipers are possessed of a trait called dedicated archtecture meaning that each branch is associated with one set of roots. If you lose one large branch or portion of the tree the connected life line is going to die all the way to the ground for the most part, leaving you with the problem of dealing with the consequences.