do I need to have car level for A/T fluid change(refill)?

I had it on 4 equal jacks the first time but I think I'd like to just raise the front only on a pair of 3-ton jacks that give max of about 17in.
Will the A/T refill be OK? Before I get under and eyeball it, is the A/T fill way to the back of A/T so maybe it wouldn't fill all the way if only front is raised or is it about in middle?

PS-also planning a change of both coolants, but not too worried if level not exactly right because thermostat and levels can be topped off without crawling under the car.

 

thx, good to know. fortunately I got 4 jacks, was just thinking maybe would create more room under the car if angled.
I'm paranoid about not fully filling an A/T with AFT after I thought I'd filled a leaking old Oldsmobile and dipstick read "Full" at idle but I didn't cycle it through the gears, so the only thing that was full was the T-converter donut.