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Jane Street
Jane Street is a trading firm with work in research, engineering and trading. It uses OCaml extensively and maintains open-source libraries including Core and Async. See OCaml Setup.
Its INSIGHT programme introduces students to software engineering, trading, and strategy and product roles. Check the current programme for eligibility and locations.
With CUCaTS
Jane Street is a Gold sponsor for 2026–27. It has also sponsored Cam Hack and Cambridge Game Jam.