Educators agree that effective parenting requires that the two parents present a "united front" before the children.
There has to be an agreement of underlying principles as to what the family structure will look like. And yes, if he has most of the personal qualities that are important to you, has strong religious commitment, views Judaism as an ongoing process, and has a desire to grow in Torah over the course of time (as opposed to remaining at his current level for the rest of his life), there is a potential for things to work out.
Are you both willing to abstain from physical relations for about two weeks a month without resentment?
And of course the most vexing question of all: How will you raise the children?
Having said all that, if you do decide to go forward, then in my estimation there are a few preconditions for success: First, there needs to be an underlying agreement on the priority of continual spiritual growth.
You need to have an agreement that neither of you will hold the other back from pursuing spiritual goals and levels.
I told him that I do not intend to become Orthodox, but will move at my own comfortable pace and see where that leads.
You may want to have an independent level of kashrut for yourself; but what will you keep in the fridge and serve at family times?