Place cherry tomatoes, zucchini, bell pepper, and red onion on a baking sheet. Drizzle with olive oil, and season with salt, pepper, oregano, and basil. Toss to coat.
Roast in preheated oven for 20-25 minutes, until vegetables are tender and slightly caramelized.
While vegetables are roasting, cook gluten-free pasta according to package instructions. Drain and set aside.
Combine roasted vegetables with cooked pasta. Toss to mix.
Serve warm, topped with grated Parmesan cheese if desired.