What interview questions does Voleon ask?

Candidates have reported 18 questions from Voleon interviews to TrueInterview: 10 algorithm, 7 study and 1 ai coding. 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 Voleon interview questions?

The most recent Voleon question on this page was reported in October 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 Voleon interview rounds do these questions come from?

The reported Voleon questions on this page are filed under 2 rounds: Online Assessment and Phone Screen. Filtering by a round gives you the questions candidates were asked at that stage rather than the whole bank at once.

How hard are Voleon's interview questions?

Of the 11 rated Voleon questions on this page, the spread is 5 medium and 6 hard. Difficulty is the rating on the question itself, not a prediction of how a particular loop will go.

Where do these Voleon 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 Voleon interview?

Yes — 6 candidates have published an account of a Voleon 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 Voleon interview process?

There is one guide filed under Voleon 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 Voleon questions?

Browsing this page needs no account, and 9 of the 18 Voleon 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.

Voleon Interview Questions: 18 Real Questions

About Voleon

The Voleon Group is a quantitative investment-management firm that applies statistical machine learning to large-scale financial prediction, founded in 2007 in Berkeley by Michael Kharitonov and Jon McAuliffe. Many of its staff hold doctorates in statistics, computer science or related quantitative fields.

Industry: Quantitative investment management
Founded: 2007
Size: 400+ employees
HQ: Berkeley, CA
Website: voleon.com

Company research

Read it

The Voleon Group is a quantitative investment-management firm that applies statistical machine learning to large-scale financial prediction, founded in 2007 in Berkeley by Michael Kharitonov and Jon McAuliffe. Many of its staff hold doctorates in statistics, computer science or related quantitative fields.

Quantitative investment management
Berkeley, CA
Founded 2007

Covered in the research, each with its source

Technology and AI
Recent moves
Engineering culture
Likely challenges
Competitors and position

Read the Voleon research

Voleon hiring insights

Computed from candidates’ write-ups and our Voleon questions.

Reported outcomes

1 / 1

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

Outcome mix

Offer17%(1)
Still waiting83%(5)

Across the 6 of 6 shared loops that stated an outcome.

Median rounds: 1
Last 12 months: 6 loops
Most recent: Aug 2026

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

What they ask

Topic mix

Hashing20%(2)
Arrays10%(1)
Binary Search10%(1)
Greedy10%(1)
Other (5 topics)50%(5)

Across the 10 of 18 Voleon questions tagged with a topic.

Difficulty mix

Medium45%(5)
Hard55%(6)

Across the 11 of 18 questions with a difficulty rating.

Practice this mix

Interview guides1

Voleon Interview Process & QuestionsFree

Open roles at Voleon26

Show all 26 Voleon roles

Interview experiences6

View all

Interview questions18

Filter & trackFilter

Algorithm10 Study7 AI Coding1 OA1 Phone Screen17 Medium5 Hard6

View all 18 Voleon questions

Frequently asked: Voleon interviews

What interview questions does Voleon ask?: Candidates have reported 18 questions from Voleon interviews to TrueInterview: 10 algorithm, 7 study and 1 ai coding. 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 Voleon interview questions?: The most recent Voleon question on this page was reported in October 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 Voleon interview rounds do these questions come from?: The reported Voleon questions on this page are filed under 2 rounds: Online Assessment and Phone Screen. Filtering by a round gives you the questions candidates were asked at that stage rather than the whole bank at once.
How hard are Voleon's interview questions?: Of the 11 rated Voleon questions on this page, the spread is 5 medium and 6 hard. Difficulty is the rating on the question itself, not a prediction of how a particular loop will go.
Where do these Voleon 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 Voleon interview?: Yes — 6 candidates have published an account of a Voleon 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 Voleon interview process?: There is one guide filed under Voleon 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 Voleon questions?: Browsing this page needs no account, and 9 of the 18 Voleon 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