Jane Street Interview Questions
Updated Oct 1, 2023
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Interviews at Jane Street
Interviews for Top Jobs at Jane Street
- Trader (226)
- Quantitative Trader (160)
- Assistant Trader (158)
- Intern (119)
- Software Engineer (99)
- Trading (98)
- Quantitative Researcher (85)
- Quant Trader Intern (54)
- Trading Desk Operations (54)
- Trading Intern (49)
- Quantitative Trading Intern (43)
- Internship (42)
- Business Development (40)
- Trader Intern (36)
- Quantitative Analyst (32)
- Software Developer (29)
- Quantitative Trader Intern (29)
- Junior Trader (28)
- Software Engineer(Internship) (25)
- Summer Intern (17)
- Business Development Intern (16)
- Quant Trader (16)
- Quant (15)
- Quantitative Trading (15)
- Analyst (14)
- Trade Desk Operations (12)
- Summer Internship (9)
- Software Engineer Intern (8)
- Operations Analyst (8)
- Researcher (8)
Anonymous Interview Candidate
I applied online. I interviewed at Jane Street
One take home work followed by a call discussing two brain teaser questions, and a video call to discuss pre given material. Then an in-office superday, one about a material given and one unseen material.
- Materials about basic order book and trading concepts.
Anonymous Interview Candidate
I applied online. I interviewed at Jane Street
online recorded video after an online assesment. gave plenty of opportunites to re-record video. became quite stresful regardless. but let me knew about the outcome quite later on. also included questions about past work experience in stressful situations.
- describe something unique about yourself
Anonymous Interview Candidate in London, England
I interviewed at Jane Street (London, England)
The interview started with a short brain teaser about the number of handshakes in a group. Then I got asked an expected value question about a game of dice. Unfortunately I got very nervous and ended up completely messing up my answer even though the question was fairly straightforward.
- How many handshakes in a group of 25 people?
Anonymous Interview Candidate
I interviewed at Jane Street
OA sent immediately. Then a phone interview. Then a three hour panel interview. The phone interview is somewhat chill, but the OA is difficult. The time limits especially make it difficult.
- Dynamic Programming, Algorithms questions. Can code in any language.
Anonymous Interview Candidate in Hong Kong
I interviewed at Jane Street (Hong Kong)
pretty straightforward, apply -> technical zoom interview -> onsite. hard leetcode question, interviewer is helpful and will guide you through the answer. you should practice leetcode in general, grind data structures and algorithm.
- cannot reveal because of NDA
Anonymous Interview Candidate
I applied through college or university. I interviewed at Jane Street
Quick process, I was told the result in three workdays. First a hr round, then several trader rounds. There used to be 2-4 rounds in total, but I've heard there might be a reform.
- Some math Olympic questions, seems like not much knowledge needed.
Anonymous Interview Candidate
I interviewed at Jane Street
Firstly online test on math problems, it is not multiple choice problems, then phone interview. You might suffer from signal problems like I did. So check your device or use alternatives like Whatsapp.
- Given the probability of rain on Saturday and Sunday, find the probability of sunny for whole weekend.
Anonymous Interview Candidate
I interviewed at Jane Street
Submit ted application through website, attended insight program, for Software devloper intern role First round, phone interview, easy coding question Final round, 2 coding interviews, then lunch, and 1 more coding interview plus behavioral discussion
- Code up Tetris, with specific requirements
Anonymous Employee
I interviewed at Jane Street
Flipping coins, betting on sums, products, other interesting contracts. Some amount of being smart about formulating a market making strategy. Finally, some game theory (nash equilibrium) and excel tasks. Overall very thorough and comprehensive.
- What year are you graduating?
Anonymous Interview Candidate in London, England
The process took 1+ week. I interviewed at Jane Street (London, England)
Technical questions the whole way. Probability, game theory style and Dice questions for about 30 mins. Very friendly interviewer and smooth process. Quick response as well within a week with follow up.
- Dice question regarding playing a game
Jane Street Interviews FAQs
Glassdoor users rated their interview experience at Jane Street as 61.5% positive with a difficulty rating score of 3.57 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Quantitative Developer and Quantitative Analyst rated their interviews as the hardest, whereas interviews for Linux Engineer and Intern - Hourly roles were rated as the easiest.
The hiring process at Jane Street takes an average of 15.06 days when considering 1,433 user submitted interviews across all job titles. Candidates applying for Summer Internship had the quickest hiring process (on average 1 day), whereas SWE Intern roles had the slowest hiring process (on average 90 days).
Common stages of the interview process at Jane Street according to 1,433 Glassdoor interviews include:
Phone Interview: 45.52%
One on One Interview: 16.32%
Presentation: 12.59%
Skills Test: 8.68%
IQ Intelligence Test: 4.77%
Personality Test: 4.02%
Group Panel Interview: 3.45%
Other: 2.13%
Drug Test: 1.32%
Background Check: 1.21%
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