If you're willing to associate your username with your personal identity, you could link to your projects/CV in your profile. Other commenters may be able to identify what recruiters are looking for and why your resume was dismissed.

Also, to the point of the post, do you consider whiteboard interviews to be good or bad for your situation? With covid it's harder for companies to find which applicants should be interviewed in the first place, and short questions are helpful for filtering out people who can't code at all.