Heat sesame oil in a large skillet over medium heat.
Add garlic and ginger, sauté for 1 minute until fragrant.
Add shrimp and cook until pink, about 3-4 minutes.
Remove shrimp and set aside.
Add mixed vegetables to the skillet and stir-fry for 5-7 minutes.
Return shrimp to the skillet, add soy sauce and chili flakes.
Mix well and cook for another 2 minutes.
Season with salt and pepper. Serve immediately.