Mix together the cucumbers and salt in a large bowl and let it sit for 30 - 45 minutes. Rinse with water 2 - 3 times. Taste the cucumber and rinse one more time if it's too salty.
Meanwhile mix together all the ingredients for the spicy cucumber salad dressing.
Toss the rinsed cucumbers with the dressing and add the red pepper, cilantro, and scallion. Serve immediately. Keep in the fridge for up to 3 days.
Notes
If not serving immediately, you may see excess liquid from the cucumbers. Drain off any excess liquid and re-season only if necessary.