Sift the flour, baking soda, and baking powder into a bowl and set it aside.
Beat the eggs
In the bowl of your stand mixer, beat the eggs on high speed until fluffy and pale and (about 3-4 minutes). Then add the sugar and blend using the whisk attachment on high speed again for an additional 3-4 minutes.
Mix in pumpkin purée, then add the pumpkin pie spices and 1 tsp vanilla extract.
Fold in the dry ingredients and bake
Using a separate whisk, gently whisk in flour mixture.