I need a prestashop developer 1.6.1

Need to add some fields on the creation of new customer. exemple: First name last name year of birth a list of cours will show in a list in reference with the age of the person. They can have 5 member of family First Last DOB the cours offer by year of born Nancy Fillip 1980 03 21 adulte judoka 1 week 260$ year john travolta 1995 02 04 kid competition 2 week 240$ session save those choice A button the add in the basket all the cours they choose every line 2 add the visa mastercard payment by modality paiement 1-2-3 payment. tk