If using wooden skewers, soak them in water for at least 30 minutes.
Pat the shrimp dry with paper towels.
In a large bowl, whisk together olive oil, gochujang, honey, soy sauce, garlic, lime juice, sesame oil, and black pepper.
Add the shrimp and toss until evenly coated.
Cover and refrigerate for 20 minutes.
Thread the shrimp onto skewers.
Preheat the grill to medium-high heat.
Lightly oil the grill grates.
Place the skewers on the grill.
Cook for 2 to 3 minutes per side until the shrimp are pink and cooked through.
Brush with any remaining marinade during the final minute of cooking.
Transfer to a serving platter.
Sprinkle with sliced green onions and sesame seeds.
Serve with fresh lime wedges.