It started with a test with open questions and coding trial for TDD based development. After that there would be a phone interview by an in-house recruiter who encourage you to ask questions. May be I was not the best fit for the opening I applied for so that my application being held for a moment. The second interview with a technical person was scheduled a month later, and I was asked if other openings would be interested. I didn’t prepare on question pools for the interview. As they are providing a security related product, make sure you had preparations on the SSL connection establishing processes which will begin with HTTPS, it is fundamental but challenging.