Transfer chicken to a medium bowl and toss with 1 tsp. salt and 1/2 tsp. pepper
Heat 2 Tbsp. avocado oil in a large wok or skillet over high. Add the chicken and cook, tossing often, until thoroughly, about 5 minutes. Transfer to a plate
In a small bowl, whisk together soy sauce, sugar, sesame oil, ginger, and Sriracha; set aside
In a large pot of boiling water, cook noodles according to package instructions; drain well
Heat olive oil in a large skillet or wok over medium-high heat. Add garlic, broccoli, mushrooms, bell pepper, and carrot. Cook, stirring frequently, until tender, about 3-4 minutes
Stir in the pasta, the chicken, and soy sauce mixture, and gently toss to combine
