Zen technologies Software Engineer interview questions

I was interviewed for the position of Software engineer in Zen technologies, My overall experience went well. I believe first impression would be the best impression. The moment I was in touch with the coordinator I felt professionalism. Hr team coordinated well with all the rounds and on-time updates were provided as I have expected. The person who interviewed me was very polite listened to all my answers shared feedback for few of the points I missed.

It was three rounds ,first one is written test with aptitude and basic code outputs.second one is technical around one hr and thrid one is manager round around half an hour