HR contact me through a call and set me the 1st interview. 1st: was with the team leader, ask me about files and how to use to check if the bits of the file are equals with read and write commands.(hash tabbe) and more question about python. took 2 hour. 2nd: was with the manager, ask me about my projects, what my experience, how i deal with problems and some thinking question with python. took 1 hour. 3rd: was with HR, general and personal question about myself. -why do i want to work at dell? -5 things that would describe you? -if u can, what 2 question you want to ask your manager with his experience? took half hour. after a week got the offer.