If one is geographically flexible, it's OK to apply a lot while trying to move up the ladder, especially with an in-demand skill set.

However, I think that one more move with be the last for 5-10 years because we'll both (partner and I) be employed in a very large European metro area on high-level perm contracts (that's been the goal for the last 5 years or so).

Buy a house and settle in and pump out a family.