alt Hacker NewsI've never seen hiring completely in the domain of HR. HR filters incoming candidates and checks for culture fit etc, but technical competency is checked by engineers/ML folks. I can't imagine an HR person checking if someone understands neural networks.
HR involvement is unavoidable at big companies; and basics like "years of experience for payband" can cause issues. They fundamentally do not understand the job, but somehow have to ensure its not a biased hiring process.