Lightly coat the steak with the oil oil; rub with coriander, salt, and pepper. Let sit at least 5 minutes.
While the steak rests, prepare your vegetables. In a serving dish, combine the lettuce and carrot. Toss with cucumber and snow peas.
Cut the steak into 1-inch pieces. Heat heavy a skillet over high heat. When the skillet is hot, add the steak. Cook 5-7 minutes, or until browned on the outside and cooked to your desired level of doneness.
While the steak cooks, prepare the dressing: combine all ingredients in a lidded jar; shake until combined.
Top the salad with the steak and wasabi peas. Pour on dressing. Serve immediately.