Asked to write a problem similar to those required for the job. Then had two subsequent interviews with standard questions. The entire process was very quick and I received pretty much immediate feedback.

The interview was conducted online through Skype. The company is based in Israel and thus, it makes sense to have a Skype interview. The process of setting up the interview was very simple. I had to select a time on the CEO's calendar. Then he sent me a his Skype ID and I sent mine. He called me on the specified time. We talked for about 15 minutes. He asked me about my area of specialization, by academic background. He explained the project and what he wants to do within the next year or so. Afterwards, he told me to submit a writing sample.