2.9 YOE

Round 1:
what is async/await nodejs
how to join in mongodb
what is right outer join in mysql
reverse stack without using a memory
print pyramid

Round 2:
Login flow API
otp base login
write API request response
ability to allow login to multiple device but not same session token
Given a range [start, end], find how many combinations of count numbers within that range sum up to sum.
only n numbers allowed

why not use mysql as cache instead of redis
DB internals
nodejs

EDIT->
My CTC -> 12.5 LPA
CTC -> ₹10L – ₹25L • No equity (mentioned on the post)
OA -> No
Final verdict -> I said no in the Round 2

Reason ->
He asked what is expected salary
i said whatever written on job post i am ok with it
he was like vaha tho bohot likha h (i didn't liked this)
i belive it was last cause he was asking if i am ok to work on notice period cause he was thinking i might not join after taking offer letter