Benoît De Chezelles is a Paris-based software engineer with 11 years of experience building and refining developer-facing tools and terminal/UX components across front-end and back-end domains. He contributes to notable open-source projects like Tridactyl, Crystal, WezTerm and Kitty, where his work spans UX improvements, CLI features, glyph rendering and input handling—showing both systems-level and user-experience sensibilities. Comfortable refactoring core libraries and kernel/fiber modules, he brings a pragmatic focus on stability, clarity and toolability that improves developer workflows. A Nix enthusiast who “hacks configs,” Benoît blends meticulous configuration management habits with deep language and runtime familiarity, making him effective on cross-platform, performance-sensitive projects.
11 years of coding experience
Epitech
Computer Science, Computer Science at California State University San Marcos
Write expressive, high-performance parsers with ease.
Role in this project:
Back-end Developer
Contributions:7 reviews, 19 commits, 2 PRs in 10 months
Contributions summary:Benoît contributed to the chumsky parser library, focusing on improving the code's structure and functionality. Their work included fixing typos, preparing for output migration, renaming type parameters, and fixing trait bounds within the codebase. These changes involved modifications to core parser components and combinators, reflecting a deep understanding of the library's internal workings. The user also made updates to trait bounds across multiple files, showing a focus on ensuring the library's stability and proper implementation of traits.
Contributions:48 commits, 52 PRs, 1155 comments in 2 years 8 months
Contributions summary:Benoît primarily contributed to bug fixes and improvements in the Crystal programming language's core libraries. They addressed documentation issues, fixed typos, and refactored code in the kernel and fiber modules. Their work included enhancements related to error handling, macro execution, and formatting tools within the Crystal compiler. The contributions demonstrate a focus on improving the language's stability, clarity, and developer experience.
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