Michel Belleville
Développeur Senior at leboncoin
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolMichel Belleville is a senior software engineer and technical lead with 17 years of experience building web and distributed services across Ruby, Elixir, Elm, JavaScript and Docker/Kubernetes environments. He has led engineering teams at Valtech, 42 and Workelo and now contributes at leboncoin, blending hands-on development with architectural guidance. Comfortable across back-end and front-end stacks, he has a particular interest in functional programming—actively seeking roles involving Elm, Haskell or Elixir. An open-source contributor, he enhanced a popular Vim plugin to improve Elm code formatting by refactoring its parser and leveraging Vim matching for delimiters, showing both deep language knowledge and tooling craftsmanship. Based in Paris, he prefers targeted professional contacts and responds to opportunities thoughtfully via InMail. Colleagues describe him as a pragmatic technologist who balances delivery pressure with long-term code quality.
18 years of coding experience
16 years of employment as a software developer
ETNA, école d'alternance en informatiqueJules Haag, Besançon
English
Github Skills (4)
elm10
vimscript10
refactoring9
vim-plugin8
Programming languages (17)
Github contributions (5)
AndrewRadev/splitjoin.vim
Jun 2020 - Jul 2020
Switch between single-line and multiline forms of code
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:12 commits, 1 PR, 20 comments in 1 month
Contributions summary:Michel focused on enhancing the functionality of a Vim plugin, specifically targeting Elm code formatting. They implemented features to split and join lists, tuples, and records within Elm files. Their work involved refactoring the existing parser approach and integrating Vim's matching capabilities to handle delimiters, demonstrating a strong understanding of the Elm language and Vim's scripting environment.
multilinevim-plugintext-manipulationtext-formattingrefactoring
Bastes/griffeath
Oct 2008 - Dec 2009
Contributions:68 commits in 1 year 1 month
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