Jane Street

Software Engineer

Hong Kong, Hong Kong

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Role family: Engineering
Seniority: Mid level
Country: HK
Work mode: On-site / unstated
First seen by hirly: 8 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

About the Position

We're always hiring software engineers for all of our offices. Technology is at the core of how we approach our work, and engineers are intimately involved in every area of the business.

We are big believers in functional programming and use OCaml, a statically typed functional programming language, as our primary tool. More recently, Python has become a vital part of Jane Street’s research and trading work, acting as the go-to language for data analysis, visualization, and machine learning.

We also believe in the value of open source software, using it in our daily work and releasing over a million lines of our own code as open source.

About You

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 engineering 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, Python, or finance; we’re happy to hire talented engineers and teach them what they need to know.

Fluent in English

If you'd like to get an idea of what we cover in our software engineering interview process, you can visit our interview prep page .

If you're a recruiting agency and want to partner with us, please reach out to [email protected] .

Original posting on Jane Street's site ↗

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