Analog Devices interview questions

The technical interview went fine and pass through the first and second round of technical interview. I was able to reach the salary negotiation stage so the HR arranged the first round of negotiation. After the first round, she sent me an email to arrange our second meeting via skype. I logged in and waited for 2-3 hours waiting for her but she didn't came. The following week, I received an email saying she was stuck in traffic hence, wasn't able to attend. Very unprofessional.