Clean and devein the jumbo shrimp, then pat them dry.
Season the shrimp with salt and black pepper.
Heat oil in a large wok or skillet over medium-high heat.
Add the shrimp and stir-fry for 2–3 minutes until they turn pink. Remove and set aside.
Add garlic and bell peppers to the wok and stir-fry until slightly tender.
Add pineapple chunks, soy sauce, and sweet chili sauce. Stir well to combine.
Return the shrimp to the wok and toss everything together for 1–2 minutes. Serve hot with rice.