There are a ton of different methods for breeding leopard geckos. Almost all of them work-including leaving the male in with the female for the entire season.
I personally would separate out the male leopard gecko periodically (at least every other week) to allow the female a chance to 'rest'. Because I had so many females I would rotate my breeder males every two days to a different female. I learned fast not to use my hands moving breeder males between enclosures during breeding season: they can give you a nice set of bloody 'V' teeth marks on your hand.
At one point I had hundreds of leopard geckos. I had no luck group housing females hatched together above sub-adult age: They would invariably injure each other-sometimes critically-there was no re-homing a seriously injured leopard gecko. Every one had to have their own bin.
Crypto erased my entire reptile collection at one point (came in on a Leopard gecko that was asymptomatic for 16 months). I have never kept Leopard geckos again-if I did-I would get every one PCR tested-especially if I was planning on breeding.
Best of luck!