Cook soba noodles in boiling water according to package instructions, then drain and rinse under cold water to stop the cooking process.
Season salmon fillets with salt and pepper, then sear in olive oil over medium-high heat for approximately 4 minutes per side until the internal temperature reaches 145 degrees Fahrenheit.
Prepare the dressing by whisking together soy sauce, sesame oil, rice vinegar, grated ginger, and honey in a small bowl.
Flake the cooked salmon into large chunks, removing the skin if desired.
In a large mixing bowl, combine the chilled noodles, julienned cucumber, edamame, and green onions.
Pour the dressing over the noodle mixture and toss gently to coat.
Incorporate the salmon flakes and garnish with toasted sesame seeds before serving.