Sitter Job in Brooklyn, New York

I am a single father with two girls 8 and 6 years old I work three days a week mon,Thurs,fri doing the week days and sat/sun on the week end IM looking for a child care provider for those two days on the weekend from 11pm to 12.30 am in Brooklyn around the zip code of 11221 or in the area of the j train ? that don't charges lot for those two days and that's willing to take the child care voucher for the three days Monday,Thur,Fri and cash for the two days on the week end. Or the voucher for the three days and the weekend