The interview starts with the basic introduction about their background and working from the both sides. The Interview Questions:- 1) what is golang and what are uses of it in the industry ? 2) does the golang is used for the files transfer from one end to other end and if so, how is it done ? 3) what are the goroutines and how it is used for file transfer ? 4) does it cause any errors while implementing ? ans :- causes the deadlock while processing 5) how to avoid the deadlocks during this processs ? ans :- using the wait groups (wg) , usually the pointers in the golang which caries some file info 6) does it concurrent or sequential ? ans :- concurrent 7) what is the use of the lock and unlock in golang ? 8) live coding:- create a golang or python script which will delete all files which are not used or very less used every week on every friday of each week ? Cn related questions:- 1) The Netflix or youtube live streaming is stateful or stateless ? ans :- stateful 2) state difference between statetless and stateful streaming? 3) what is the difference between between TCP and UDP ? 4) which network protocol is used during the go routines file transfer ? -> TCP 5) how is the authentication works in one application system ? LLD & Managerial Round:- 1) explain me aws architecture ? 2) given me paper and said to draw and explain me LLD of Amazon company whole system working. 3) asked 10-15 magerial questions during my LLD round , i am perfectly remeber all that ..... they are just common once .