Defrost shrimp (if using frozen shrimp), peel, and devein.

Prepare marinade by combining soy sauce, olive oil, brown sugar, chilli powder, lime juice, garlic powder, cumin powder, and cayenne powder in a bowl.

Add shrimp to marinade and stir to coat. Let marinate for 15-20 minutes.

Start indoor grill and place shrimp on grill once hot. Close cover and cook for about 3 minutes.

Serve immediately and sprinkle with chopped cilantro if you like. Enjoy :)