I applied online. I interviewed at Metrology Services (Lakewood, CA) in July 2020
Interview
It was a great interview experience for which I went through the following rounds
Round 1. HackerRank test, there were 3 questions for 90 minutes questions were of medium difficulty level.
Round 2. Phone interview: I was asked about my past experience and my visa requirements.
Round 3. Video interview, I was given 1 problem to solve for 30 minutes.
Interview questions [1]
Question 1
1. Binary tree zig-zag order traversal
2. 3 Sum
3. Valid calculator string is given calculate the sum, Ex ((5 * 4) / 4) is given in string format and we have to return the total