My team (at VMware) has used HackerRank to hire. It worked out pretty well. The biggest advantage was being able to vet many candidates quickly. It's definitely

My team (at VMware) has used HackerRank to hire. It worked out pretty well. The biggest advantage was being able to vet many candidates quickly. It's definitely improved our hiring process (it used to take us much longer to find a suitable candidate). I think my team was one of the first at our company to use it (and we haven't done much hiring since), so my knowledge about the specifics is a little out-of-date.