Being an introvert doesn't preclude one from giving a good technical presentation. It's common practice in the academic/research world which is certainly full of introverts.
The assumption I'm making here is that of hiring for someone to work on technically challenging problems (ie. machine learning, computer vision, data analytics, large-scale systems design, etc . . . - the list isn't meant to be exhaustive). For those problems you need people with strong general and/or mathematical reasoning ability. If I was looking for a very junior coder I might skip the presentation step.
At the contract step there doesn't need to be any risk for the candidate - there's no reason he would need to leave his current employer during this phase. Of course there would have to be an incentive of some kind if he was hired - better salary, more interesting work, etc.
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Being an introvert doesn't preclude one from giving a good technical presentation. It's common practice in the academic/research world which is certainly full of introverts.
The assumption I'm making here is that of hiring for someone to work on technically challenging problems (ie. machine learning, computer vision, data analytics, large-scale systems design, etc . . . - the list isn't meant to be exhaustive). For those problems you need people with strong general and/or mathematical reasoning ability. If I was looking for a very junior coder I might skip the presentation step.
At the contract step there doesn't need to be any risk for the candidate - there's no reason he would need to leave his current employer during this phase. Of course there would have to be an incentive of some kind if he was hired - better salary, more interesting work, etc.