Mince garlic and ginger; add to a small bowl along with olive oil, soy sauce, brown sugar, Sriracha sauce, black pepper, and crushed red pepper (optional). Whisk together.
Place salmon into a baking dish and pour marinade over the top. Cover and place in the refrigerator for at least 2 hours.
Preheat oven to 400°F.
Remove cover from dish and bake fish for 15-20 minutes or until it flakes easily with a fork.
While fish cooks, drain and rinse beans and corn, and dice tomato and bell pepper. Add to a large bowl along with with olive oil, juice of the lime, salt, pepper, and chopped cilantro. Toss to combine.
Serve salmon with veggie salad and orange wedges on the side.