I am returning a json as shown below
{\"name\": \"\", \"skills\": \"\", \"jobtitel\": \"Entwickler\", \"res_linkedin\": \"GwebSearch\"}
I a
It looks like data not contains what you think it contains - check it.
data
let data={"name": "", "skills": "", "jobtitel": "Entwickler", "res_linkedin": "GwebSearch"}; console.log( data["jobtitel"] ); console.log( data.jobtitel );