gistfile1.txt

$("#createform").on('submit',function (event){

  // checar las validaciones de los campos
  var name      = $("#name").val();
  var last_name = $("#last_name").val();
  var email     = $("#email").val();
  var password  = $("#password").val();
  
  $.ajax({
      url: 'crear-usuarios',
      method: 'post',
      data: {
        "name": name,
        "last_name" : last_name,
        "email" : email,
        "pass" : password,
      },
      dataType:'JSON',
      success: function(info){
        if(info.Code != 200)
          {
            alert(info.Message);
            return false;
          }else{
            // cerramos el modal
            $("#addPuesto .close").click();
            window.location.reload();

          }
        }
      });
    });