1. Phone Interview

The phone interview was fairly technical but mostly explored how you approached problems rather than looking for specific answers.

1. Online Coding Challenge

After the phone interview, there was a coding challenge sent through HackerRank. I'd definitely recommend doing some practice tests/problems to get used to the UI.

1. In-Person Interview

This part involved four 45-minute interviews. Candidates were asked two coding questions each and to explain their thought process.

Given special punctuation like [{()}], how would you write a program that determines if the input is valid (i.e., open parentheses match their closing counterparts)?