To a small mixing bowl, whisk to combine all sauce ingredients and set aside.
To a skillet, add 1 tbsp olive oil on medium heat, once hot add yellow onion and stir to cook until fragrant and translucent, about 3-4 minutes.
Add 6 ounces of raw shrimp, and cook 2-3 minutes, until cooked through, and shrimp turns pink. Remove shrimp from skillet and transfer to a bowl, as to not overcook
Add remaining olive oil (1 tbsp) and add in all veggies (green onions-zucchini) and mix to combine. Sauté 3-4 minutes.
Push everything to one side of the pan, pour 2 whisked eggs in on the other side. Scramble using spatula (add a pinch of extra oil if pan is too dry). Add shrimp back in.
Pour in pad thai sauce and combine everything in skillet together.
Serve immediately and garnish with crushed peanuts (or cashews), cilantro, etc.