When does Jane Street post internships?

Last cycle Jane Street posted the next summer's internships around July and August and reviewed them as they came in, with no fixed deadline. Offices recruit on their own calendars and interview slots fill through the fall, so apply early.

Can freshmen apply to Jane Street?

Yes, to the early programs. FTTP, the First-year Trading and Technology Program, is for first-year undergraduates, and Bridge is a daylong strategy and sales-and-trading program for first- and second-years. INSIGHT is open to women, transgender, and gender-expansive students regardless of year.

Do I need to know OCaml or finance to intern at Jane Street?

No. Jane Street says it does not require a finance background, GPA, or specific degree, and it teaches OCaml on the job. In software interviews you can use the language you are strongest in.

What is the Jane Street intern interview process?

Candidates report one or two phone interviews and then several final-round interviews. Trading interviews focus on probability and market reasoning; software engineering interviews are collaborative coding problems.

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Jane Street internships: when they open and how to apply

Trading, research, software engineering, machine learning, and strategy interns all land at Jane Street's New York, London, and Hong Kong offices, and the firm says plainly that it does not expect a finance background. For underclassmen, the draw is the early programs: first-year, sophomore, and diversity programs run through most of the year and are a common first contact with the firm.

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Internships and programs at Jane Street

The early-career programs it runs for students and recent graduates, by the names it uses for them.

Quantitative Trader Internship: Built for students who like probability, estimation, and fast decisions under uncertainty. Interns split their days between a mentored project, classes on topics like financial products and information theory, and mock trading sessions designed by full-time traders. Summer internships run 10 to 12 weeks between May and September.
Software Engineer Internship: Interns write production code on real teams, mostly in OCaml, though you do not need to know OCaml to apply or to interview. Quantitative research, machine learning, strategy and product, and institutional sales and trading internships are offered alongside it.
FTTP (First-year Trading and Technology Program): A few days in a Jane Street office for first-year undergraduates planning to study math, physics, computer science, or another STEM field. It covers how the firm approaches trading and technology and ends in a team mock trading game. Travel, housing, and meals are covered, and you apply only to the location nearest you.
INSIGHT: A multi-day, expenses-paid program for women, transgender, and gender-expansive students, with separate software engineering, trading, and strategy and product tracks. No finance knowledge is required.
Bridge: A daylong, in-person program for first- and second-year university students focused on the business side: Strategy and Product, or Institutional Sales and Trading. London has offered both tracks and New York the Strategy and Product one. Travel, meals, and housing are covered.

When Jane Street posts internships

There is no single deadline. Jane Street reviews applications as they come in, and each office runs its own calendar. Last cycle the next summer's trading and software engineering internships went live around July and August, roughly eleven months before the start date. Interview slots fill as the fall goes on, so the first weeks after posting count for a lot.

The early programs keep their own schedule. FTTP, INSIGHT, and Bridge sessions are posted through the year, each with a sign-up form for students who want to hear about the next one. A first-year can realistically attend a program in the spring and apply for a full internship that summer.

Who can apply

Jane Street states it has no GPA or degree requirement and does not expect prior finance knowledge. FTTP is only for first-year undergraduates and Bridge for first- and second-years. INSIGHT is defined by gender identity, not class year.

Internships are in New York, London, and Hong Kong, with off-cycle options set by each office's academic calendar. The firm covers travel for programs and interviews.

The interview process

Expect to hear from a recruiter within a few days of applying, and Jane Street aims to give an answer within a week of each round. Trading interviews center on probability, expected value, and market-making style questions, not finance trivia; the firm publishes a Probability and Markets guide to prepare. Candidates report one or two phone rounds, then several final interviews.

Software engineering interviews are collaborative coding problems in whatever language you know best. The firm explicitly advises against trying OCaml for the first time in an interview. Interviewers watch how you reason out loud and take hints as much as whether you reach the answer.

Tips for applying to Jane Street

Work through Jane Street's own Probability and Markets guide before a trading interview. It matches the style of questions far better than generic brainteaser lists.
First-years interested in trading or tech should look at FTTP. Bridge fits first- and second-years drawn to strategy or sales and trading.
Get your application in the week postings go live. With rolling review, the same resume faces a much tighter field in November than in August.
Interview in a language you know cold. Picking OCaml to impress backfires.

Jane Street internship questions

When does Jane Street post internships?: Last cycle Jane Street posted the next summer's internships around July and August and reviewed them as they came in, with no fixed deadline. Offices recruit on their own calendars and interview slots fill through the fall, so apply early.
Can freshmen apply to Jane Street?: Yes, to the early programs. FTTP, the First-year Trading and Technology Program, is for first-year undergraduates, and Bridge is a daylong strategy and sales-and-trading program for first- and second-years. INSIGHT is open to women, transgender, and gender-expansive students regardless of year.
Do I need to know OCaml or finance to intern at Jane Street?: No. Jane Street says it does not require a finance background, GPA, or specific degree, and it teaches OCaml on the job. In software interviews you can use the language you are strongest in.
What is the Jane Street intern interview process?: Candidates report one or two phone interviews and then several final-round interviews. Trading interviews focus on probability and market reasoning; software engineering interviews are collaborative coding problems.