Bring a pot of water to a boil and cook the soba noodles for 4-5 minutes until tender, then drain and rinse thoroughly with cold water.
Use a vegetable peeler to shave the cucumber and carrots into long, thin ribbons, stopping when you reach the watery core of the cucumber.
In a small bowl, whisk together the almond butter, tamari, rice vinegar, grated fresh ginger, minced garlic, and sriracha until the dressing is smooth.
Heat the toasted sesame oil in a non-stick skillet over medium-high heat and sauté the seitan strips for 5-6 minutes until they are golden brown and crispy.
In a large mixing bowl, combine the chilled noodles, vegetable ribbons, and sautéed seitan, then toss with the almond-ginger dressing until evenly coated.