Cook pasta according to box directions, but cook it aldente' meaning cook it 1 to 1 1/2 minutes before done per box directions.
Season the shrimp with 2 Tbsp. of Olive oil and your favorite Cajun seasoning and let the flavors mingle for 5-10 minutes.
In a large skillet, melt 2 tablespoons butter and 2 tablespoons olive oil over medium-high heat. Sauté shallots, garlic, and red pepper flakes until the shallots are translucent, about 3 to 4 minutes.
Add shrimp to the pan and cook until they have turned pink, about 2 to 3 minutes. Remove the shrimp from the pan leaving the garlic and shallots in the pan; set shrimp aside and keep warm.
Add wine and lemon juice and bring to a boil.
Add 2 tablespoons butter and 2 tablespoons oil to pan. When the butter has melted, return the shrimp to the pan along with the parsley, cooked pasta, and reserved pasta water. Stir well and season with salt and pepper.