Software Engineer

Tum International Gmbh; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Jane Street is seeking software engineers to design and build the systems and tools that run the firm. You'll work across trading desks and accounting teams, building foundational infrastructure and solving real problems.

We value functional programming, using OCaml as our primary language, with Python playing a vital role in data analysis, visualization, and machine learning. We also contribute to open source and support projects like Mercurial and OPAM.

Qualifications

• Smart programmers who enjoy solving interesting problems.
• Willingness to learn and adapt.
• Collaborative team player.

Skills

OCaml

Python

Functional programming

Data analysis

Machine learning

Tools

Mercurial

OPAM

OCaml compiler

Job description

We're looking for Software Engineers whowant to help us design and build the systems andtools that run the firm. You'll find SoftwareEngineers in all parts of Jane Street, solvingreal problems in critical areas ranging fromtrading desks to our accounting team, as well asbuilding foundational infrastructure, whether thatmeans implementing network monitoring or riskmodels.

We are big believers in functional programmingand, using OCaml, a statically -typed functionalprogramming language, as our primary tool. Morerecently, Python has become a vital part of JaneStreet's research and trading work, acting as the go-to language for data analysis,visualisation, and machine learning.

Beyond our own environment, we also recognisethe value of open source software, leveraging itin our daily work and releasing over a millionlines of our own code as open source. We'realso always looking for ways to expand open sourceprojects, and provide ongoing support to thingslike Mercurial, the OCaml compiler, and the OPAMpackage manager. That said, we're interestedin talented engineers with experience in anylanguage—most of us came in with little to nopractical experience in OCaml before wejoined.

If you'd like to learn more, you can readabout our interview process and meet some of ournewest hires on our website.

About you

We don't expect you to have a background infunctional programming, OCaml, Python, finance, orany other specific field—we're looking forsmart programmers who enjoy solving interestingproblems. We're more interested in how youthink and learn than what you currently know. Youshould be:

• A top-notch programmer with a love fortechnology
• Intellectually curious, collaborative,and eager to learn
• Humble and unafraid to ask questions andadmit mistakes

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