this post was submitted on 16 Jun 2023
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Functional Programming
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What do you think is the secret sauce that lets companies like Jane Street have a 99% ocaml codebase even with 2000 or so employees?
Not sure. But I think starting out early in the growth fase of the company and having a strong core of senior enginnees that can push for it and ensures everyone learns good practices
The company I work for is much smaller but we’ve still grown a lot with a nearly 100% Haskell codebase (on the backend at least). For us, the main thing has been setting expectations and doing a lot of upfront training and mentoring. We hire people who don’t know Haskell or who have never done FP and put them through training. We have a lot of mentoring ongoing afterwards.