Logically you should be able to tell if a candidate is technically competent from their resume and referees. But it's blatantly clear that different companies h

Logically you should be able to tell if a candidate is technically competent from their resume and referees. But it's blatantly clear that different companies have very different standards around what's considered a "competent" level of coding skills. I'd also say the fact a candidate is prepared to commit the time and mental energy to doing a good job on a test just for a particular company is a pretty good indication of how keen they are.