Software Engineer (Internship) Interview Experience - London, United Kingdom
Process
3 rounds of 1-hour high-complexity live coding, with 2 SDE interviewers. No compilation is allowed, and any programming language is acceptable. All rounds occur on the same day with short breaks in between.
Questions
Design and optimize the structure for 1D Excel-like operations, specifically: set_cell_value(int, cell) and sum_of_cells(cell_1, cell_2, result_cell). All data must be correct and updated after each call of refresh().
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Interview Statistics
The following metrics were computed from 12 interview experiences for the Jane Street Software Engineer (Internship) role in London, United Kingdom.
Success Rate
Jane Street's interview process for their Software Engineer (Internship) roles in London, the United Kingdom is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having very good feelings for Jane Street's Software Engineer (Internship) interview process in London, United Kingdom.
Jane Street Work Experiences
- 5.0Chill environment with enjoyable workSoftware Engineer (Internship) • Former EmployeeNew York, NYAugust 18, 2026Pros: Everyone was pretty chill. I like the work.Cons: There are not really any cons, so to speak.
- 5.0Great place for a software developer internshipSoftware Developer • Former EmployeeLondon, England, United KingdomSeptember 19, 2018Pros: Money, tons of food, smart coworkers, and lots of intern events after work.Cons: Long (but flexible) workday. The main programming language (OCaml) is not widely used outside.
- 5.0Amazing company, amazing peopleSoftware Engineer • Current EmployeeLondon, England, United KingdomSeptember 15, 2023Pros: Has a really collaborative environment. People around are very smart and, which is not too common in the area, are generally nice. Managers are very responsive; if you do not like the thing you are working on, you would most probably be able to transition to something else.Cons: Some decision-making processes are very opaque, including compensation assignment.
Jane Street Interview Questions
