A friend put me in contact with someone who is hiring contractors. Aside from the job title, the person hasn't given any real information. I directly asked what the name of the company was and to see a job description. He replied he doesn't know me yet and would like to have a phone call first. (I have no problem with a phone call, but our schedules/time zones aren't matching up and we've missed each other a couple times).
Last year I was "offered a job" by someone who I felt misrepresented the relationship between us and the company who work was being done for. I didn't know he wasn't an employee of the company we were working for.
Why would someone not want to send all the information like company name and a proper job posting or description?
Just to be clear, I don't know if he's a recruiter or not.
Because he is afraid that you might apply for a job with the same company by yourself.
He is probably a recruiter who gets an intermediation fee if the person he puts in touch with the company is hired. Often they haven't been charged by the company for the task, they just found a job ad or they got an unofficial information and they want to propose some people to the company. In such cases until the very last moment neither the company nor the applicant know the name of the other.