Add all ingredients to a jar, seal tightly with a lid, and shake until smooth and emulsified, about 30 seconds. Set aside.
Add kale to a large bowl. Gently stir in cooked quinoa. Drizzle kale and quinoa with half of vinaigrette; toss to combine. Divide salad among 4 plates. Top dressed kale and quinoa with strawberries and salmon fillet. Sprinkle with pistachios and drizzle with remaining vinaigrette.