Earlier quoted context omitted.
Interviews are for weeding out poor candidates; what you have left are the good ones. Weeding out poor candidates is not possible with 10-15 minutes informal chats.
It most certainly IS possible. That's the whole point of resumes and LinkedIn...especially in technical fields. You self-select for the hiring criteria you're looking for. You then speak to the candidate to understand a bit more about their experience as it relates to the job you're seeking a candidate for. That's why it often makes sense for such roles, for technical people to interview other technical people. "Oh,…
They can make a thing that would take a day of work sound like some sort of fantastical world changing undertaking.