Preheat oven to 350°F. Grease loaf pan and line with parchment paper.
In a large bowl, mash bananas with a fork until puree-like. Stir in melted butter until incorporated. Add in eggs and vanilla. Stir until well combined. Add brown sugar and mix until dissolved.
In a small bowl, whisk together flour, baking soda, salt, and cinnamon. Add to wet mixture. Fold to combine until there are no longer any dry streaks of flour.
Fold in chopped figs until well distributed. Transfer batter to prepared loaf pan. Arrange sliced figs on top. Sprinkle turbinado sugar, if desired.
Bake for 55-60 minutes until toothpick inserted in center of bread comes out clean. Allow bread to cool in pan for 10 minutes before unmolding. Transfer bread to wire rack to cool.