Google

I managed to complete the first stage only. It was a talking stage with basic information, like why you are looking for a new job and so on. They also asked about level of education and work permit.

Very good. The questions were hard but interesting. I had a phone screen which wasn't all that difficult, then they offered me an interview prep session. If that were your first technical interview, it would be extremely helpful. Having been through

Someone referred me. I received an email from the recruiter to schedule a phone interview. After the phone interview, I got an email to schedule a technical interview with an engineer.