Step 1: Cook Noodles : Boil noodles according to package instructions until al dente. Drain and set aside.
Step 2: Prepare Sauce : In a small bowl, combine soy sauce, oyster sauce, hoisin sauce, sesame oil, rice vinegar, sugar, garlic, ginger, and black pepper. Whisk until smooth.
Step 3: Cook Shrimp : Heat vegetable oil in a large skillet or wok over medium-high heat. Add shrimp and cook 2–3 minutes per side until pink and cooked through. Remove and set aside.
Step 4: Stir-Fry Vegetables : Add broccoli, carrot, and bell pepper to the skillet. Stir-fry for 3–4 minutes until tender-crisp.
Step 5: Combine and Toss : Return shrimp to the skillet, add cooked noodles and sauce. Toss and stir-fry for 2–3 minutes until everything is evenly coated and heated through.
Step 6: Serve : Garnish with chopped green onions and serve immediately.