Javacodegeeks iconJavacodegeeksSep 7, 2026

OCaml Quietly Running the World’s Financial Infrastructure

How Jane Street's bet on a niche functional language turned into a 30-million-line dependency, and what it teaches us about trading expressiveness for hiring pools. Yet every day, a language that barely registers on job boards helps move a meaningful slice of the world's electronic trading …

OCaml Quietly Running the World’s Financial Infrastructure

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How Jane Street's bet on a niche functional language turned into a 30-million-line dependency, and what it teaches us about trading expressiveness for hiring pools.

Yet every day, a language that barely registers on job boards helps move a meaningful slice of the world's electronic trading …

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How Jane Street's bet on a niche functional language turned into a 30-million-line dependency, and what it teaches us about trading expressiveness for hiring pools. Yet every day, a language that barely registers on job boards helps move a meaningful slice of the world's electronic trading … Most engineers have never written a line of OCaml.

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Most engineers have never written a line of OCaml.

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