Home / Company interviews / Jane Street · Updated November 2026

Jane Street interview questions and practice

14 coding questions are known to come up in Jane Street interviews (7 easy, 4 medium, 3 hard), 1 of them in the last six months. The most common topics are Array, String, Simulation, Hash Table.

Practice interviews built from public job posts and question lists. Each open post links to the original so you can apply on Jane Street’s own site; Jane Street does not run, see or review your practice.

Practise Jane Street questions →Or one question first · 2 min

14Known questions

1Asked in the last 6 months

4Medium

3Hard

Coding questions Jane Street asks

From public company-tagged interview question lists. Most recent and most frequent first.

Easy 7Medium 4Hard 3

Array7
String6
Simulation5
Hash Table4
Linked List3
Math3
Design3
Stack2
Doubly-Linked List2
Trie2
Recursion1
Counting1

Question	Difficulty	Asked recently
Add Two Numbers	Medium	Yes
Count Common Words With One Occurrence	Easy	No
Walking Robot Simulation	Medium	No
Minimum Time to Make Array Sum At Most x	Hard	No
Design a Text Editor	Hard	No
LRU Cache	Medium	No
Teemo Attacking	Easy	No
Add Two Integers	Easy	No
Number of Orders in the Backlog	Medium	No
Stream of Characters	Hard	No
Add Strings	Easy	No
Valid Parentheses	Easy	No
Longest Common Prefix	Easy	No
Two Sum	Easy	No

Questions about Jane Street interviews

What topics do Jane Street interviews cover?

The ones that come up most are Array, String, Simulation, Hash Table, Linked List.

What coding questions does Jane Street ask?

14 questions are tagged to Jane Street in public interview lists: 7 easy, 4 medium and 3 hard. The most asked include Add Two Numbers, Count Common Words With One Occurrence, Walking Robot Simulation.

How do I practise a Jane Street interview?

Answer a 2-minute question for free, then take a mock interview with an AI interviewer, voice and live coding. You get a review that marks the exact line that cost you. The screen and Round 1 of your first role interview are free.

Practise a Jane Street interview before it counts.

Talk it through while you code, and get a review that marks the exact line that cost you. Free to start.

Practise Jane Street questions →

Jane Street interview questions and practice

Coding questions Jane Street asks

Questions about Jane Street interviews

Practise a Jane Street interview before it counts.

Interviews at similar companies