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Comment by rwmj | Hacker News Reader

Why "exceptionally" high? The programmers you are hiring are (or should be!) bright, they learn new things fast, and OCaml is not very difficult to learn.

At any software company you have to learn new things. Every company has its internal development stack and custom software, unless the company literally isn't a software company at all or is doing something so unoriginal and dull that you wouldn't want to work there.

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>>> and [any language] is not very difficult to learn.

I'm all for training and learning, but pretending that anything can be picked up quickly and easily is just wrong, especially in a trading environment.

Any typo or bug is going to cost millions of dollars, it's very hostile to newcomers. They will be struggling enough to learn about finance and the company.

> Any typo or bug is going to cost millions of dollars

Good job they're using a language and other techniques which ensure that bugs are caught early, often at compile time.

yeah... no. only certain tupes of bugs.

a compiler can’t catch a bug if you calculate interest rates incorrectly, for example.

That is what unit tests are for.

Minsky is on record as saying they have a maniacal bent for code review & code readability at Jane Street.

That needs to be written in unit tests and also needs to be code reviewed. Also such bugs can be brought into the system by experienced devs as well.

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