Cook the rice according to package instructions and set aside.
In a small bowl, whisk together the mayonnaise and Sriracha until smooth. Set aside.
Heat sesame oil in a large skillet or wok over medium-high heat.
Add the carrots and bell pepper and sauté for 2–3 minutes.
Add the zucchini and garlic and cook for 1–2 minutes until just tender.
Add the shrimp and cook for 2–3 minutes per side until pink and opaque.
Stir in the soy sauce and toss to coat.
Divide the cooked rice into bowls and top with shrimp and vegetables.
Finish with sliced green onions, a squeeze of fresh lime juice, and a generous drizzle of spicy mayo.