Arena is looking for a backend dev to work in one of NYC, Baltimore or Chicago. We are building AI that helps predict employee retention in the hiring process. There's a few more legs to be built to give us the "3 of enterprise" but for now, most of our clients are happy with just the one offering.
Using OCaml, Python and some C#  (would love to convert to F#.)
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Ask HN: Who is hiring? (November 2018)