Wash, peel and devein the shrimp. Set aside in a large ziplock bag.
Add the garlic, jalapeño, soy sauce, brown sugar, olive oil, lime juice, chili powder,cayenne, honey, cilantro and red pepper flakes to a blender or food processor. Mix until combined.
Pour the marinade over the shrimp and let marinade for 10 minutes (up to 30 minutes).
Thread 4 shrimp onto a bamboo (or metal) skewer and repeat until all the shrimp are threaded.
Pre-heat the grill to medium heat. Place the skewers on a greased rack. Cook on each side for 2 minutes until opaque.
Serve over rice, in a tortilla or alone!