Emitrr Senior Software Engineer interview questions

Applied via Job portal and then reached out by Recruiter. There was phone intro about 10 to 15 min. Then I was having 1:1 with one of the co founder. Co founder was felt sleepy on call i am not sure why he was not serious about me. It was general 1:1 no technical questions were asked. No DSA, Just general background questions. Then no reply for a week. i called back to get an update. and than received an email that i am rejected. I am not sure what they are looking for. But overall company looks good. Not sure why i had bad experience.