Two Sigma

Senior Software Engineer Interview Experience

May 22, 2022

Negative ExperienceNo Offer

Process

There were three rounds of technical interviews that involved coding on a shared screen, some finance-related.

You had to come up with test cases as part of the interview question.

There was also one behavioral interview where you talked with a more senior person about your own work experience and any questions that you had.

Questions

Code a simple simulation of a stock exchange.

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Interview Statistics

The following metrics were computed from 9 interview experiences for the Two Sigma Senior Software Engineer role in United States.

Success Rate

0%

Pass Rate

Two Sigma's interview process for their Senior Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive0%

Neutral22%

Negative78%

Candidates reported having very negative feelings for Two Sigma's Senior Software Engineer interview process in United States.

Two Sigma Work Experiences

Great People, Perks, Balance

Senior Software Engineer • Current Employee

New York, New York, United States

Pros: Good compensation, company invests in employees' training, very good health insurance, free snacks. Employees at all levels have a voice; management cares about work-life balance. Friendly people, very smart people, great values.

Cons: Technical debt (but not worse than most other companies)

Great People, Perks, Balance

Senior Software Engineer • Current Employee

New York, New York, United States

Pros: Good compensation, company invests in employees' training, very good health insurance, free snacks. Employees at all levels have a voice; management cares about work-life balance. Friendly people, very smart people, great values.

Cons: Technical debt (but not worse than most other companies)

Tech company vibe in the hedge fund space

Senior Software Engineer • Current Employee

New York, New York, United States

November 10, 2023

Pros: Good work/life balance, feeling not so much different from Google and its previous positions. An almost obsessively tech-driven approach to investment. Nice location at Soho (as compared to mid-town like some banks). Generous home-from-home policy. People often say bad things about hedge funds in general, but TS has a generally pretty friendly culture.

Cons: There is no food provided (albeit it has decent snack bars). People like work-from-home a lot, to the point it is a bit hard to feel I belong here as a new joiner. Tech debt is often overlooked in a way that would not be tolerated at Google. The in-house eng tools are sometimes not state-of-the-art. Some signs of red-taping are observed, which I believe is a bad sign for non-executive level employees.

Tech company vibe in the hedge fund space

Senior Software Engineer • Current Employee

New York, New York, United States

November 10, 2023

Pros: Good work/life balance, feeling not so much different from Google and its previous positions. An almost obsessively tech-driven approach to investment. Nice location at Soho (as compared to mid-town like some banks). Generous home-from-home policy. People often say bad things about hedge funds in general, but TS has a generally pretty friendly culture.

Cons: There is no food provided (albeit it has decent snack bars). People like work-from-home a lot, to the point it is a bit hard to feel I belong here as a new joiner. Tech debt is often overlooked in a way that would not be tolerated at Google. The in-house eng tools are sometimes not state-of-the-art. Some signs of red-taping are observed, which I believe is a bad sign for non-executive level employees.

Solid place to work

Senior Software Engineer • Former Employee

New York, New York, United States

Pros: A lot of nice and smart people. Good pay, good work-life balance.

Cons: Two CEOs caused issues. Leadership had overhired in the past, leading to layoffs.

Solid place to work

Senior Software Engineer • Former Employee

New York, New York, United States

Pros: A lot of nice and smart people. Good pay, good work-life balance.

Cons: Two CEOs caused issues. Leadership had overhired in the past, leading to layoffs.

Great People, Perks, Balance

Senior Software Engineer • Current Employee

New York, New York, United States

Pros: Good compensation, company invests in employees' training, very good health insurance, free snacks. Employees at all levels have a voice; management cares about work-life balance. Friendly people, very smart people, great values.

Cons: Technical debt (but not worse than most other companies)

5.0
Great People, Perks, Balance
Senior Software Engineer • Current Employee
New York, New York, United States
April 5, 2021
Pros: Good compensation, company invests in employees' training, very good health insurance, free snacks. Employees at all levels have a voice; management cares about work-life balance. Friendly people, very smart people, great values.
Cons: Technical debt (but not worse than most other companies)

Tech company vibe in the hedge fund space

Senior Software Engineer • Current Employee

New York, New York, United States

November 10, 2023

Pros: Good work/life balance, feeling not so much different from Google and its previous positions. An almost obsessively tech-driven approach to investment. Nice location at Soho (as compared to mid-town like some banks). Generous home-from-home policy. People often say bad things about hedge funds in general, but TS has a generally pretty friendly culture.

Cons: There is no food provided (albeit it has decent snack bars). People like work-from-home a lot, to the point it is a bit hard to feel I belong here as a new joiner. Tech debt is often overlooked in a way that would not be tolerated at Google. The in-house eng tools are sometimes not state-of-the-art. Some signs of red-taping are observed, which I believe is a bad sign for non-executive level employees.

5.0
Tech company vibe in the hedge fund space
Senior Software Engineer • Current Employee
New York, New York, United States
November 10, 2023
Pros: Good work/life balance, feeling not so much different from Google and its previous positions. An almost obsessively tech-driven approach to investment. Nice location at Soho (as compared to mid-town like some banks). Generous home-from-home policy. People often say bad things about hedge funds in general, but TS has a generally pretty friendly culture.
Cons: There is no food provided (albeit it has decent snack bars). People like work-from-home a lot, to the point it is a bit hard to feel I belong here as a new joiner. Tech debt is often overlooked in a way that would not be tolerated at Google. The in-house eng tools are sometimes not state-of-the-art. Some signs of red-taping are observed, which I believe is a bad sign for non-executive level employees.

Solid place to work

Senior Software Engineer • Former Employee

New York, New York, United States

Pros: A lot of nice and smart people. Good pay, good work-life balance.

Cons: Two CEOs caused issues. Leadership had overhired in the past, leading to layoffs.

4.0
Solid place to work
Senior Software Engineer • Former Employee
New York, New York, United States
March 13, 2025
Pros: A lot of nice and smart people. Good pay, good work-life balance.
Cons: Two CEOs caused issues. Leadership had overhired in the past, leading to layoffs.

Two Sigma Interview Questions

Number of Provinces

Imagine a map where cities are connected by roads. Given a list of roads, find how many separate groups of connected cities (provinces) there are.

Random Pick with Weight

You're given an array representing weights. Implement a function to randomly pick an index from the array, where the probability of picking each index is proportional to its weight.

ArraysBinary Search

Minimum Operations to Reduce an Integer to 0

Find the minimum number of operations to reduce a given positive integer to 0. You can either subtract a power of 2 or add a power of 2 in each operation.

Greedy AlgorithmsBit Manipulation

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