Cut the ends of the cucumbers off then cut the cucumber in half, lengthwise then in half again, lengthwise, and then into quarters.
In a bowl, toss cucumbers with salt and let sit for 30-40 minutes to let liquid drain off. Rinse the cucumbers to get excess salt off.
In a measuring cup, whisk together garlic, soy sauce, vinegar, sugar, sesame oil, sambal oelek, and dried red chiles. Add more sugar, vinegar, spice, to taste.
In an airtight container with a lid, add the cucumbers to the container then pour the soy sauce mixture over top.
Tightly close the lid and shake!
Let marinate in the fridge overnight or for at least 6 hours.
Before serving, shake the container again to redistribute mixture.