I believe that you should either list yourself as the "tech" developer that you are, or specify the specific stack you are proficient in. "Full Stack" is more vague than "Full Stack React/Node Developer". But that might also suggest you aren't interested in learning more. So "Software Engineer" might be most appropriate if you have a growth mindset.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
I believe that you should either list yourself as the "tech" developer that you are, or specify the specific stack you are proficient in. "Full Stack" is more vague than "Full Stack React/Node Developer". But that might also suggest you aren't interested in learning more. So "Software Engineer" might be most appropriate if you have a growth mindset.