I applied online. The process took 2 months. I interviewed at Viettel (Hanoi) in May 2023
Interview
Introduce yourself/Asking your experience related to the applying position/Asking your skills and background for the position/Ask your desired salary, your expected time to work, if you have any question about the company.
Interview questions [1]
Question 1
What is the most difficult problem that you have solved related to the position?
Round 1: CV Scanning Round 2: Test center, comprises 3 parts, IQ, TOEIC, and basic coding knowledge. Round 3: OS, Networking, Javacore, Spring boot Round 4: Interview with BOD, and HR. Basic culture fit questions
Interview questions [1]
Question 1
How to remove an odd number in an array without making a new array in O(n).