What interview questions does Hudson River Trading ask?

Candidates have reported 17 questions from Hudson River Trading interviews to TrueInterview: 15 algorithm and 2 object-oriented programming. Each one is filed under the round it came up in, with the month it was reported where a candidate gave one, and opens in the workspace that format calls for — an editor judged against hidden tests for coding and SQL, a whiteboard for system design.

How recent are these Hudson River Trading interview questions?

The most recent Hudson River Trading question on this page was reported in September 2026. A question shows the month a candidate reported it whenever that is known, so an entry that has gone stale is visible as one rather than presented as current.

Which Hudson River Trading interview rounds do these questions come from?

The reported Hudson River Trading questions on this page are filed under 3 rounds: Online Assessment, Phone Screen and Onsite. Filtering by a round gives you the questions candidates were asked at that stage rather than the whole bank at once.

How hard are Hudson River Trading's interview questions?

Of the 17 rated Hudson River Trading questions on this page, the spread is 4 easy, 11 medium and 2 hard. Difficulty is the rating on the question itself, not a prediction of how a particular loop will go.

Where do these Hudson River Trading interview questions come from?

From candidates who sat the interview. Some send us their questions by email or upload; the rest we summarize from interview experiences, on the public board or published elsewhere, then verify and file by company, format and round. Nothing covered by an NDA is accepted, and the sourcing rules are published in full at /methodology.

Has anyone written up their Hudson River Trading interview?

Yes — 8 candidates have published an account of a Hudson River Trading loop, covering the rounds they sat, what they were asked and how it ended. Each write-up has its own page and links to the questions it mentions.

Is there a guide to the Hudson River Trading interview process?

There is one guide filed under Hudson River Trading on this page, written round by round: what each stage covers, what it is assessing, and what to practise before it.

Do I need an account to practise Hudson River Trading questions?

Browsing this page needs no account, and 3 of the 17 Hudson River Trading questions listed here open in full for free. The rest are part of a paid plan, and every row says which it is before you click it.

Hudson River Trading Interview Questions: 17 Real Questions

Company research

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Hudson River Trading is a multi-asset class quantitative trading firm that provides liquidity on global markets and directly to its clients. It describes itself as a math and technology company whose engineers and researchers work as one team to develop automated trading algorithms using advanced mathematical techniques. The firm was founded in 2002 by partners who graduated from Harvard and MIT with degrees in computer science and mathematics.

Covered in the research, each with its source

Technology and AI
Recent moves
Engineering culture
Competitors and position

Read the Hudson River Trading research

Hudson River Trading hiring insights

Computed from candidates’ write-ups and our Hudson River Trading questions.

Reported outcomes

0 / 1

decided loop ended in an offer. Too few for a rate (needs 8).

Outcome mix

Rejected13%(1)
Still waiting88%(7)

Across the 8 of 8 shared loops that stated an outcome.

Median rounds: 1
Last 12 months: 7 loops
Most recent: Jul 2026

Self-reported by candidates who shared a Hudson River Trading write-up. It describes those loops, not an application-to-offer rate. Read them.

What they ask

Topic mix

Arrays18%(2)
Hashing18%(2)
Backtracking9%(1)
Binary Search9%(1)
Other (5 topics)45%(5)

Across the 11 of 17 Hudson River Trading questions tagged with a topic.

Difficulty mix

Easy24%(4)
Medium65%(11)
Hard12%(2)

Across the 17 of 17 questions with a difficulty rating.

Practice this mix

Interview guides1

Hudson River Trading Interview Process & QuestionsFree

Open roles at Hudson River Trading14

Show all 14 Hudson River Trading roles

Company reviews

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Interview experiences8

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Interview questions17

Filter & trackFilter

Algorithm15 OOP2 OA5 Phone Screen10 Onsite2 Easy4 Medium11 Hard2

View all 17 Hudson River Trading questions

Frequently asked: Hudson River Trading interviews

What interview questions does Hudson River Trading ask?: Candidates have reported 17 questions from Hudson River Trading interviews to TrueInterview: 15 algorithm and 2 object-oriented programming. Each one is filed under the round it came up in, with the month it was reported where a candidate gave one, and opens in the workspace that format calls for — an editor judged against hidden tests for coding and SQL, a whiteboard for system design.
How recent are these Hudson River Trading interview questions?: The most recent Hudson River Trading question on this page was reported in September 2026. A question shows the month a candidate reported it whenever that is known, so an entry that has gone stale is visible as one rather than presented as current.
Which Hudson River Trading interview rounds do these questions come from?: The reported Hudson River Trading questions on this page are filed under 3 rounds: Online Assessment, Phone Screen and Onsite. Filtering by a round gives you the questions candidates were asked at that stage rather than the whole bank at once.
How hard are Hudson River Trading's interview questions?: Of the 17 rated Hudson River Trading questions on this page, the spread is 4 easy, 11 medium and 2 hard. Difficulty is the rating on the question itself, not a prediction of how a particular loop will go.
Where do these Hudson River Trading interview questions come from?: From candidates who sat the interview. Some send us their questions by email or upload; the rest we summarize from interview experiences, on the public board or published elsewhere, then verify and file by company, format and round. Nothing covered by an NDA is accepted, and the sourcing rules are published in full at /methodology.
Has anyone written up their Hudson River Trading interview?: Yes — 8 candidates have published an account of a Hudson River Trading loop, covering the rounds they sat, what they were asked and how it ended. Each write-up has its own page and links to the questions it mentions.
Is there a guide to the Hudson River Trading interview process?: There is one guide filed under Hudson River Trading on this page, written round by round: what each stage covers, what it is assessing, and what to practise before it.
Do I need an account to practise Hudson River Trading questions?: Browsing this page needs no account, and 3 of the 17 Hudson River Trading questions listed here open in full for free. The rest are part of a paid plan, and every row says which it is before you click it.

How these questions are sourced and verified