Coders are the worst UI/UX designers. People could reflect ideas or prototypes on you and see if you find it intuitive to work with for example.

You can test things.

Code is nothing without documentation.

In fact when you think long enough about it code is actually just a tiny fraction of the whole part. 

 Learn to code, is not as hard as it seems 

 Learning how to write a proper defect report helps when submitting an issue to devs.