Interview process from the time of apply took around 2 months. - 1st interview with head of HR (people and culture) - general discussion about past experience and why I'm leaving my current company - 2nd interview with COO and co-founder - Regarding past experience and expectation in the applied role + some funny brain teaser(non-technical) questions to evaluate response of candidate and his/her approach for the solution. - 3rd interview with one of robotics engineer - more technical interview regarding previous experience with ROS, software and hardware troubleshooting etc. - 4th: HR Asking for providing university degree + transcripts (which I graduated some years ago) - 5th interview with CEO - This was the stage that he didn't like my answers regarding leaving and changing the company + he asked again a funny brain teaser question (which I answered partially) - Final Result: Rejection