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Jane Street


Quantitative Trading (Full Time, Summer Internship, Australasia Summer Internship, Off-Cycle Internship)

Every day, we come to work with new problems to solve, new systems to build and new theories to test. We're always looking for people to join us and help come up with that next great idea. Our trading is based on our own proprietary models and on busy days we engage in over a million trades. Traders work in teams to seek out and trade on pricing inefficiencies, develop models, manage risk, investigate new products, and push into new business areas. Experienced traders teach and oversee the less-experienced. New traders serve as assistants while they learn the ropes, getting increasing responsibility as they demonstrate their ability to handle it.

These jobs are highly quantitative and technology driven. Trading candidates should be excellent quantitatively, with a strong understanding of probability and statistics. Candidates should be effective communicators in a close knit team setting, motivated, competitive and eager to learn. Previous experience or course work in finance, business, or economics is not required. We are interested in hiring responsible, motivated, adaptive, and logical thinkers with strong quantitative skills. All disciplines are encouraged to apply.

For Quantitative Trading interns, you will have the opportunity to learn about market making, trading and pricing financial derivatives. Our interns work with experienced traders and help research equities, derivatives, indices and financial markets. Intern education is supplemented with lessons in a classroom setting, where both trading theory and practice are covered. Interns are also encouraged to participate alongside firm traders in mock trading sessions.

Software Developers (Full Time, Summer Internship, Australasia Summer Internship, Off-Cycle Internship)

We are big believers in functional programming, using OCaml, a statically-typed functional programming language, as our primary development language. We also believe in the value of open source software, using it in our daily work and releasing hundreds of thousands of lines of our own code as open source.

Candidates for the developer role should have:

  • Top-notch programming skills
  • Deep experience with—and love for—technology. There’s no specific checklist; we use software to approach a variety of problems, so we’re interested in everything from machine learning to systems administration to programming language design.
  • Strong interpersonal skills. Software development at Jane Street is highly collaborative, and we are looking for people who can work effectively in small, close-knit teams.

We don’t expect you to have experience with functional programming, OCaml, or finance; we’re happy to hire talented developers and teach them what they need to know.

For Software Development interns, you are given the opportunity to engage in software and research projects that have real and lasting impact and work on at least two projects in different areas, collaborating closely with full time developers.


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