Boil water and cook soba noodles according to package directions, then drain and rinse with cold water.
Slice chicken into thin strips and season with sea salt and black pepper.
Heat sesame oil in a large skillet or wok over medium-high heat.
Add chicken and sear until golden brown and cooked through, then remove from pan.
In the same pan, add garlic, ginger, carrots, bell peppers, and bok choy, stir-frying until vibrant and tender-crisp.
Return chicken to the pan along with the cooked noodles and tamari.
Toss everything together for 1-2 minutes until heated through and coated in the savory sauce.
Garnish with sliced green onions before serving.