📍
London, UK

Quantitative Trader

No experience
Finance
Software engineering
Posted:
December 29, 2025

Jane Street

Quantitative trading firm
87
Palpable Score
Apply >view company >

About the Position

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.

Technology is at the core of how we approach trading, and we consider ourselves as much a technology company as a trading firm. We use OCaml, a statically-typed functional programming language, as our primary development language, and have the largest team of OCaml Engineers in any industrial setting.

About You

We are looking for people who have a strong quantitative mind and enjoy working collaboratively to solve challenging problems in a practical setting. Prior knowledge of finance or economics is not expected or required. Experience with particular programming languages is also not required, although generally being comfortable programming in your language of choice is a plus. Fluency in English required.

About the company

Jane Street

Company overview
Jane Street is a quantitative trading firm and liquidity provider that makes markets across a broad range of asset classes. Jane Street builds much of the company’s technology in-house, with software engineering and research tightly linked to trading. Jane Street also runs a public engineering blog and open-source work that reflects a deep focus on programming languages, performance, and data systems. Jane Street serves institutional clients through trading and liquidity services alongside proprietary trading activity.

Locations and presence

Jane Street has major offices in New York, London, Hong Kong, Singapore, Amsterdam, and a presence in Chicago. Hiring is office-centered for most roles, with many processes culminating in in-person final rounds in a Jane Street office.

Palpable Score

87
/ 100
Jane Street offers unusually strong early-career access through recurring internships and multiple entry programs, backed by clear pay transparency and high compensation. The strongest signals are hands-on training, mentorship, and real project ownership for interns and new grads, plus benefits that reduce early-career financial stress. The main limiter is that Jane Street does not publish cohort outcomes like promotion rates or internship-to-full-time conversion rates, so outcomes scoring relies on indirect public signals.
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