DRW

Software Engineer (Internship) Interview Experience - London, United Kingdom

November 21, 2025

Neutral ExperienceNo Offer

Process

I applied online. The process took four weeks.

OA
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.

I got rejected after that.

Questions

How is a vector in C++ implemented? What is an iterator?

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Interview Statistics

The following metrics were computed from 1 interview experience for the DRW Software Engineer (Internship) role in London, United Kingdom.

Success Rate

0%

Pass Rate

DRW's interview process for their Software Engineer (Internship) roles in London, the United Kingdom is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive0%

Neutral100%

Negative0%

Candidates reported having mixed feelings for DRW's Software Engineer (Internship) interview process in London, United Kingdom.

DRW Work Experiences

Quite good but not the very best employer in finance

Software Engineer • Former Employee

London, England, United Kingdom

November 6, 2023

Pros: - Quite good salary (but not comparable with the very best firms on the market like Jane Street, etc.). - Nice people. - Nice and well-equipped office.

Cons: - Very long hours (everyone expects you to look at the results, not at the time spent in the office, which basically means that people stay up to 12 hours in the office). - Bad salary and career progression. - Lack of transparency and clear communication between managers and workers (at least in my team).

Quite good but not the very best employer in finance

Software Engineer • Former Employee

London, England, United Kingdom

November 6, 2023

Pros: - Quite good salary (but not comparable with the very best firms on the market like Jane Street, etc.). - Nice people. - Nice and well-equipped office.

Cons: - Very long hours (everyone expects you to look at the results, not at the time spent in the office, which basically means that people stay up to 12 hours in the office). - Bad salary and career progression. - Lack of transparency and clear communication between managers and workers (at least in my team).

Good place with a nice working culture

Software Engineer(Internship) • Former Employee

London, England, United Kingdom

October 28, 2024

Pros: Extremely diverse company in terms of the different areas of financial markets they are involved in. Great people, really smart, yet down-to-earth.

Cons: Team allocation could be a bit better. I don’t think this is a common experience for all interns, as the majority were really happy with their teams.

Good place with a nice working culture

Software Engineer(Internship) • Former Employee

London, England, United Kingdom

October 28, 2024

Pros: Extremely diverse company in terms of the different areas of financial markets they are involved in. Great people, really smart, yet down-to-earth.

Cons: Team allocation could be a bit better. I don’t think this is a common experience for all interns, as the majority were really happy with their teams.

C++ Infrastructure team

Software Developer • Current Employee

London, England, United Kingdom

Pros: Very good programming experience, excellent code base and development practices. Friendly and work-life balance environment; people are always ready to help.

Cons: Compensation at lower grades may be a bit less than in other HFT giants, but it seems that it becomes more equal with time.

C++ Infrastructure team

Software Developer • Current Employee

London, England, United Kingdom

Pros: Very good programming experience, excellent code base and development practices. Friendly and work-life balance environment; people are always ready to help.

Cons: Compensation at lower grades may be a bit less than in other HFT giants, but it seems that it becomes more equal with time.

Quite good but not the very best employer in finance

Software Engineer • Former Employee

London, England, United Kingdom

November 6, 2023

Pros: - Quite good salary (but not comparable with the very best firms on the market like Jane Street, etc.). - Nice people. - Nice and well-equipped office.

Cons: - Very long hours (everyone expects you to look at the results, not at the time spent in the office, which basically means that people stay up to 12 hours in the office). - Bad salary and career progression. - Lack of transparency and clear communication between managers and workers (at least in my team).

3.0
Quite good but not the very best employer in finance
Software Engineer • Former Employee
London, England, United Kingdom
November 6, 2023
Pros: - Quite good salary (but not comparable with the very best firms on the market like Jane Street, etc.). - Nice people. - Nice and well-equipped office.
Cons: - Very long hours (everyone expects you to look at the results, not at the time spent in the office, which basically means that people stay up to 12 hours in the office). - Bad salary and career progression. - Lack of transparency and clear communication between managers and workers (at least in my team).

Good place with a nice working culture

Software Engineer(Internship) • Former Employee

London, England, United Kingdom

October 28, 2024

Pros: Extremely diverse company in terms of the different areas of financial markets they are involved in. Great people, really smart, yet down-to-earth.

Cons: Team allocation could be a bit better. I don’t think this is a common experience for all interns, as the majority were really happy with their teams.

5.0
Good place with a nice working culture
Software Engineer(Internship) • Former Employee
London, England, United Kingdom
October 28, 2024
Pros: Extremely diverse company in terms of the different areas of financial markets they are involved in. Great people, really smart, yet down-to-earth.
Cons: Team allocation could be a bit better. I don’t think this is a common experience for all interns, as the majority were really happy with their teams.

C++ Infrastructure team

Software Developer • Current Employee

London, England, United Kingdom

Pros: Very good programming experience, excellent code base and development practices. Friendly and work-life balance environment; people are always ready to help.

Cons: Compensation at lower grades may be a bit less than in other HFT giants, but it seems that it becomes more equal with time.

5.0
C++ Infrastructure team
Software Developer • Current Employee
London, England, United Kingdom
August 8, 2024
Pros: Very good programming experience, excellent code base and development practices. Friendly and work-life balance environment; people are always ready to help.
Cons: Compensation at lower grades may be a bit less than in other HFT giants, but it seems that it becomes more equal with time.

DRW Interview Questions

Counting Elements

Given an array of integers, count how many elements have a corresponding element that is exactly one greater. For example, if the array contains 1, 2, and 3, both 1 (because 2 is present) and 2 (because 3 is present) would be counted.

ArraysHash Table

Maximize Score After Pair Deletions

You are given a list of numbers, and you can delete pairs of numbers that have a difference of one. Your goal is to maximize the total sum of the numbers you keep after performing these deletions.

ArraysGreedy Algorithms

Subsequence of Size K With the Largest Even Sum

Find a subsequence of size k from a given array such that the sum of the subsequence's elements is even and maximized. Return the largest even sum achievable.

ArraysGreedy Algorithms

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