There was a phone screening, after that was a couple hackerrank screenings before a "superday". Difficult but fair, it was mainly java, threading, and algorithmic questions. Filling in space here
I applied online. I interviewed at MarketAxess (Philadelphia, PA) in Feb 2021
Interview
The OA/ first round of interviews consists of some java concept questions and 1 or two easy leetcode questions. The second round of interview is a 30-min tech screening phone call.