Preheat oven to 180°C (350°F) and line baking trays with parchment paper.
Whisk together flour, baking soda, baking powder, salt, cinnamon, and nutmeg.
In a separate bowl, cream butter, brown sugar, and granulated sugar until smooth.
Add pumpkin puree, egg, and vanilla extract and mix well.
Gradually combine dry ingredients with wet ingredients until just mixed.
Fold in chocolate chips evenly.
Scoop tablespoon-sized dough portions onto prepared baking trays.
Bake for 10–12 minutes until edges are lightly golden.
Cool on tray for 5 minutes, then transfer to wire rack to cool completely.