Make shrimp seasoning mix: combine garlic powder, 1/8 teaspoon chili powder and 1/8 teaspoon black pepper. Mix well.
Cook the shrimp: Heat a large skillet over medium-high heat. Add 1 tablespoon olive oil and sear the shrimp. Sprinkle the seasoning on top. Cook for 5 minutes or until each side has just turned pink, flipping halfway. Turn off the heat. Transfer to a plate and set aside.
Make the peanut dressing: in a food processor, blend together fish sauce, honey, lime juice, ginger, onions, garlic, roasted peanuts, salt, and the remaining 1 tablespoon olive oil, and 1/8 teaspoon each of chili powder, and black pepper. Set aside.
Mix the salad: In a large mixing bowl, combine cooked shrimp, mango, carrots, fresh chili peppers, cherry tomatoes, and the peanut dressing. Mix well to marinate.
Plating: Transfer the salad to a serving plate. Garnish with chopped cilantro, red pepper flakes, and sesame seeds.