Ask HN: What things that tech recruiters do, annoy you the most as an engineer?
Reason why recruiters (and any other type of sales person) prefer synchronous vs asynchronous communication is because of &#x27;conversion rate&#x27;. Note, this is NOT converSATION rate, this is conversion rate, the opportunity to &#x27;convert&#x27; you from being a prospect to an active candidate, now in process.<p>Asynch is ignorable (which is why they are good for the receiver), but Synch if accepted can become a negotiation (which is good for the sender).<p>My advice for engineers is: understand what manner of communication you most prefer, state this clearly whereever you have a profile and stick rigidly to this. There is really no reason why a recruiter should have your number, and if they do, no reason for you to answer it if the number is unrecognised