I applied in-person. The process took 3 months. I interviewed at DRW (Amsterdam)
Interview
They gave me an online assessment, about a month and half later, they contacted me to have an interview call. I responded the next day, but they got back to me two weeks later. The interview questions were mostly languages specific question. They didn't reach back to me.
Interview questions [1]
Question 1
How to make a class in CPP hashable? What is the algorithm for making balance binary tree called.
I applied online. I interviewed at DRW (Montreal, QC) in Jan 2026
Interview
Online Coding Assessment. Aced it but they didnt contact me after. It was about 2 hours long but I took 1 hour. Got the rejection notification a couple days later.
Codility online assessment was the first round which was leetcode style. Then a technical interview and then a superday. Technical interview entailed multiple questions on various topics such as algorithms, data structures, os, networking, system design and more.
Interview questions [1]
Question 1
Data structures, Algorithms, Networking, OS, System design
I applied online. The process took 4 weeks. I interviewed at DRW (London, England) in Oct 2025
Interview
OA then first round interview in 45 minutes. The interviewer is friendly and helpful. They mostly ask about C++ knowledge and low-level details, rather than leetcode questions. Got rejected after that.
Interview questions [1]
Question 1
How is vector in C++ implemented? What is an iterator?
