I am an Overseas Filipino Worker way back 2015 in Japan. I work there as an Electrical Wiring Assembling for 3 years. Aside from that I am fluent in speaking Japanese.
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.