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Employers

Jane Street online assessment and interviews

Trading internships and graduate roles

Last checked

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Stages in order

  • ApplicationOfficial:No online test describedSource: Employer page
  • Phone interviewsOfficial:Built around problem solvingSource: Employer page
  • Final roundOfficial:Probability, coding and data analysisSource: Employer page

Online tests

  • Official:The official trading interviews page describes no online testSource: Employer page
  • Reported:A 2024 interview guide also found no timed test, with games played out loud in interviews insteadSource: Tradermath
  • Unverified:Some 2025 to 2026 guides claim a mental maths test of 60 to 80 questions, which the official page doesn't mentionSource: TechInterview

Video interview

  • Reported:No recorded video interview is reported, and early rounds are two or three live phone or video callsSource: Tradermath
  • Official:Jane Street publishes a mock interview video that shows the formatSource: Employer page

Final round

  • Official:Problem solving, probability and statistics, coding in any language, and data analysisSource: Employer page
  • Official:You don't need finance knowledge or complicated mathsSource: Employer page
  • Reported:Guides describe market-making and betting games worked through with pen and paper and no calculatorSources: TradermathTechInterview
  • Reported:Interviewers want to hear your reasoning out loud and see how you correct mistakesSource: Tradermath

Typical calendar

  • Reported:London and European trading firms opened applications in August and September 2026Source: Quantt
  • Reported:Interview rounds mostly run in October and November, and most offers are made before ChristmasSources: QuanttQuantVault

Practise this format

Sources

Details change between recruitment cycles, so your invite and the employer's own pages have the final word

Official:
The employer or organisation says it on its own website or in its own documents
Reported:
From surveys, news, candidate reports or prep sites, not the employer's own pages
Unverified:
Sources disagree or the evidence is thin, so treat it as a possibility

Employer pages

Guides, trackers and prep sites