Mathieu Barbin

Greater New York City Area United States

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Summary

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Rockstar

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Top School

Mathieu Barbin is a software engineer with 11 years of experience specializing in OCaml and automated trading technology, based in the Greater New York City Area. He combines strong academic training in mathematics and computer science from top French institutions with practical contributions to critical open-source tooling, notably improving ocamlformat’s parsing and formatting logic. Mathieu’s work shows attention to detail—fixing tricky let-binding and empty AST cases—and a knack for developer ergonomics, having refined build processes and extended toplevel features. His background in both rigorous CS theory and hands-on systems work allows him to bridge formal reasoning and production-quality code. An unusual facet of his profile is formal music training in cello, suggesting discipline and pattern-sensitivity that complement his engineering approach.

11 years of coding experience

L1, L2, Mathematics, Computer Science, L1, L2, Mathematics, Computer Science at Université Pierre et Marie Curie (Paris VI)

Computer Science, Computer Science at Ecole normale supérieure

Licence, Master 1, Computer Science (MPRI), Licence, Master 1, Computer Science (MPRI) at Université Denis Diderot (Paris VII)

Music, Cello, Music, Cello at ENMD CRD Evry

DEM, Music, Cello, DEM, Music, Cello at Conservatoire National à Rayonnement Régional (C.N.R.R.) de Toulon

Music, Cello, Music, Cello at Die Universität für Musik und darstellende Kunst Graz

German, English, French

Github Skills (7)

text-parsing10

parsing10

ocaml10

code-formatting10

lex9

lexical-analysis9

build-process8

Programming languages (3)

TypeScriptShellOCaml

Github contributions (5)

ocaml-ppx/ocamlformat

Mar 2018 - Jan 2019

Auto-formatter for OCaml code

Role in this project:

Back-end Developer

Contributions:7 commits, 9 PRs, 34 comments in 9 months

Contributions summary:Mathieu contributed to the `ocamlformat` project by fixing bugs and improving the code formatting logic. Their work involved addressing issues related to parsing and formatting OCaml code, including the handling of let-bindings, empty ASTs, and record fields. They also introduced new features like writing extensions on the let at toplevel and refining the build process to enhance the usability of the tool. Furthermore, they amended the Janestreet profile.

metaocamlduneauto-formatteropam

mbarbin/provider

Feb 2024 - Feb 2025

Dynamic Dispatch with Traits

Contributions:11 releases, 50 PRs, 95 pushes in 11 months

dynamic-dispatchocamlparametrizationtrait

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