Julienne the carrots, scallions, and onions. Set aside.
Thinly slice the pork. Place in a container.
Marinate the pork slices with the bulgogi marinade, about 1 cup. Cover and store in the fridge overnight or 3-4 hours before cooking.
Use the remaining 1/2 cup of marinade for the julienned veggies. Cover and store in the fridge overnight or 3-4 hours before cooking.
Heat up oil in a wok. Fry up the pork slices in batches. Put the fried up pork slices into a platter. Repeat the process for the remaining pork, in batches, until all pork are cooked. Do the same with the veggies for a minute or two.
Place the fried up pork slices into the wok. Stir everything together to combine for a couple of minutes. Transfer into a platter and sprinkle sesame seeds before serving.