Hudson River Trading

Algorithm Developer Interview Experience - New York, New York

October 1, 2020

Positive ExperienceNo Offer

Process

The interview process includes two phone interviews and one onsite interview.

The two phone interviews focus on probability.

The onsite interview consists of one hour of coding and one hour of probability.

Additionally, there is another hour for an open question.

Questions

Phone interview: Someone claims he can taste color from M&M chocolates.

Suppose there are 5 kinds of color and 5 kinds of taste.

Out of [a number I forgot], he got the color right for [a number that I forgot]. Should you believe his ability?

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Interview Statistics

The following metrics were computed from 19 interview experiences for the Hudson River Trading Algorithm Developer role in New York, New York.

Success Rate

11%

Pass Rate

Hudson River Trading's interview process for their Algorithm Developer roles in New York, New York is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive47%

Neutral47%

Negative5%

Candidates reported having very good feelings for Hudson River Trading's Algorithm Developer interview process in New York, New York.

Hudson River Trading Work Experiences

Great place to work

Algorithm Developer • Current Employee

New York, New York, United States

November 23, 2023

Pros: Smart people, amazing culture, work-life balance combined with competitive pay unmatched in industry.

Cons: The company hasn't always made the best decisions while navigating growth and change, but it's doing its best.

Great place to work

Algorithm Developer • Current Employee

New York, New York, United States

November 23, 2023

Pros: Smart people, amazing culture, work-life balance combined with competitive pay unmatched in industry.

Cons: The company hasn't always made the best decisions while navigating growth and change, but it's doing its best.

Great stimulating work

Algorithm Developer • Current Employee

New York, New York, United States

Pros: Great culture, great people, and work.

Cons: No cons at all, to be honest.

Great stimulating work

Algorithm Developer • Current Employee

New York, New York, United States

Pros: Great culture, great people, and work.

Cons: No cons at all, to be honest.

An amazing place to learn

Algorithm Developer • Current Employee

New York, New York, United States

September 9, 2019

Pros: Some of the best people I have ever worked with, both in terms of talent and personality. Everyone is very passionate about their work. HRT also has some of the most impressive technology and high-quality code I have seen. The company is extremely open and collaborative, which together encourage a great culture.

Cons: It's super easy to have a bit of imposter syndrome, especially when your coworkers are so smart and productive.

An amazing place to learn

Algorithm Developer • Current Employee

New York, New York, United States

September 9, 2019

Pros: Some of the best people I have ever worked with, both in terms of talent and personality. Everyone is very passionate about their work. HRT also has some of the most impressive technology and high-quality code I have seen. The company is extremely open and collaborative, which together encourage a great culture.

Cons: It's super easy to have a bit of imposter syndrome, especially when your coworkers are so smart and productive.

Great place to work

Algorithm Developer • Current Employee

New York, New York, United States

November 23, 2023

Pros: Smart people, amazing culture, work-life balance combined with competitive pay unmatched in industry.

Cons: The company hasn't always made the best decisions while navigating growth and change, but it's doing its best.

5.0
Great place to work
Algorithm Developer • Current Employee
New York, New York, United States
November 23, 2023
Pros: Smart people, amazing culture, work-life balance combined with competitive pay unmatched in industry.
Cons: The company hasn't always made the best decisions while navigating growth and change, but it's doing its best.

Great stimulating work

Algorithm Developer • Current Employee

New York, New York, United States

Pros: Great culture, great people, and work.

Cons: No cons at all, to be honest.

5.0
Great stimulating work
Algorithm Developer • Current Employee
New York, New York, United States
May 27, 2022
Pros: Great culture, great people, and work.
Cons: No cons at all, to be honest.

An amazing place to learn

Algorithm Developer • Current Employee

New York, New York, United States

September 9, 2019

Pros: Some of the best people I have ever worked with, both in terms of talent and personality. Everyone is very passionate about their work. HRT also has some of the most impressive technology and high-quality code I have seen. The company is extremely open and collaborative, which together encourage a great culture.

Cons: It's super easy to have a bit of imposter syndrome, especially when your coworkers are so smart and productive.

5.0
An amazing place to learn
Algorithm Developer • Current Employee
New York, New York, United States
September 9, 2019
Pros: Some of the best people I have ever worked with, both in terms of talent and personality. Everyone is very passionate about their work. HRT also has some of the most impressive technology and high-quality code I have seen. The company is extremely open and collaborative, which together encourage a great culture.
Cons: It's super easy to have a bit of imposter syndrome, especially when your coworkers are so smart and productive.

Hudson River Trading Interview Questions

Add Edges to Make Degrees of All Nodes Even

You're given a graph; your goal is to add edges to it so that every node has an even degree. Find the minimum number of edges to add to achieve this.

Convert Integer to the Sum of Two No-Zero Integers

Given an integer, you need to express it as the sum of two positive integers, neither of which contains the digit zero. Find and return any such pair of no-zero integers.

ArraysGreedy Algorithms

Detect Pattern of Length M Repeated K or More Times

Determine if a pattern of a certain length repeats itself consecutively in an array at least a given number of times. Specifically, check for repeating subarrays.

ArraysTwo PointersSliding Windows

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