I've done being a recruitment officer in an international recruitment agency, i was the one who is incharge to all incoming and outgoing communication direct to the client. I was a technical support representative in a call center.
Onlinejobs.ph "ID Proof" indicates if "they are who they say they are".
It DOES NOT indicate skill level.
ID Proof scores are 0 - 99 with 99 being the best. It is calculated based on dozens of data points.
It's intended to help employers know who they're talking to is real, and not a fake identity.