Prepare the sauce by mixing mayo, soy sauce, sriracha, and rice vinegar in a small bowl.
Heat the vegetable oil in a large skillet over medium-high heat.
Add the mixed vegetables and sauté for about 2-3 minutes until tender-crisp.
Stir in the cooked jasmine rice, breaking up any clumps and mixing it with the vegetables.
Pour the prepared sauce over the rice mixture, stirring to combine thoroughly.
Cook everything together for another 3-4 minutes, allowing the rice to crisp slightly.
Stir in the sliced green onions, cooking for an additional minute.
Serve hot, garnished with sesame seeds for extra crunch.