I wouldn't put a particular level, unless the job I was applying for required a specific level and I knew my current peers would consider me at or above that if asked for reference. At the end of the day we're all developers and every company's levels are based on different merits, show the best you at interview and they should be able to correctly work out your level based on their criteria.
However offical progression with a company tends to be a little slower than reputational progression but unless it means a difference in compensation (pay/benefits etc) then I wouldn't worry about offical levels
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 wouldn't put a particular level, unless the job I was applying for required a specific level and I knew my current peers would consider me at or above that if asked for reference. At the end of the day we're all developers and every company's levels are based on different merits, show the best you at interview and they should be able to correctly work out your level based on their criteria.
However offical progression with a company tends to be a little slower than reputational progression but unless it means a difference in compensation (pay/benefits etc) then I wouldn't worry about offical levels