Horacio Sanson - Lead Research Engineer at Allm Inc.

Horacio Sanson

Lead Research Engineer at Allm Inc.

Shibuya, Japan

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Summary

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Rockstar

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Top School

Horacio Sanson is a Lead Research Engineer based in Shibuya, Japan with 15 years of experience bridging research and production engineering across networking, systems, and developer tooling. Currently leading research engineering at Allm Inc., he previously spent over a decade shaping R&D at Skillupjapan and brings hands-on operational roots from early network/system administration roles. He contributes to open source tooling—most notably improving async syntax checking and LSP integration for Vim/Neovim in the dense-analysis/ale project—demonstrating a pragmatic focus on developer experience and performance. Trained in electrical and telecom engineering (Panama University) and holding an M.Sc. from Waseda, he combines formal telecom knowledge with applied software and DevOps skills. Colleagues rely on him to translate research goals into maintainable, scalable systems and to modernize legacy tooling and test infrastructure.

15 years of coding experience

14 years of employment as a software developer

Master of Science (M.Sc.), Global Information and Telecommunication Studies, Master of Science (M.Sc.), Global Information and Telecommunication Studies at 早稲田大学 / Waseda University

Licentiate degree, Electrical, Electronics and Communications Engineering, Licentiate degree, Electrical, Electronics and Communications Engineering at Panama University

Spanish, English, Japanese

Github Skills (21)

language-server-protocol10

neovim10

vim10

syntax-checking10

vim-plugin9

linter9

automations8

python8

automation8

scripting7

script7

sh7

shell7

rust7

ansible-galaxy5

Programming languages (18)

JavaC++RustCGoHTMLKotlinTypeScript

Github contributions (5)

dense-analysis/ale

Mar 2022 - Nov 2022

Check syntax in Vim/Neovim asynchronously and fix files, with Language Server Protocol (LSP) support

Role in this project:

Backend & DevOps Engineer

Contributions:604 reviews, 13 commits, 560 PRs in 8 months

Contributions summary:Horacio primarily contributed to improving the `ale` project, which is a syntax checker for Vim/Neovim. Their work included fixing bugs, adding support for new features, and enhancing the functionality of existing linters and fixers. They also focused on adapting the project to work with newer versions of Vim and Neovim, and they updated the testing infrastructure. The user also addressed performance issues and incorporated changes suggested by other contributors.

lintervimcheckerneovimautocomplete

hsanson/ale

Aug 2018 - Apr 2025

Asynchronous linting/fixing for Vim and Language Server Protocol (LSP) integration

Contributions:3 PRs, 353 pushes, 93 branches in 6 years 8 months

linterasynchronousvimlintingserver-protocol

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