Mostly all the job requirements are posted over LinkedIn. For all the positions, for 1st level of filtering you need to fill their google form. Once you get a confirmation call/mail you need to appear for the interview (F2F). It is a stress interview to judge how well you are able to multitask and manage situations without getting nervous.

CEO takes the interview round. Most about past experiences and how to handle the future challenges. Majorly its a skill interview to check how prompt you are with the logical answers.