If you are paying someone to work an 8 hour day, no problem just paying the programmer.
But if you want someone to work a practically unlimited number of hours as is most often the case then you are going to either need to pay the person to work two 8 hour shifts, hire additional programers, or give the programmer some equity in the business.
But if you want someone to work a practically unlimited number of hours as is most often the case then you are going to either need to pay the person to work two 8 hour shifts, hire additional programers, or give the programmer some equity in the business.