Ulysse Buonomo
OSS Library Maintainer at Freelance
France
Summary
🤩
Rockstar🎓
Top SchoolUlysse Buonomo is an OSS-focused engineer and library maintainer with 11 years of experience building and scaling backend systems, particularly in Ruby and Linux-based environments. He blends deep system-level curiosity (Linux, bash/zsh and Rust enthusiasm) with practical product experience leading backend teams and improving developer experience at scaleups like Klaxit and Stuart. Active on GitHub, he contributes to notable projects such as rgeo, where he implemented GEOS C API integrations and fixed memory leaks, and maintains adapters like activerecord-cockroachdb. Comfortable across full-stack and platform concerns, he excels at refactoring for reliability, vertical scaling, and developer tooling. Based in France, he favors community-driven open source collaboration and brings a maker’s mentality—treating low-level systems knowledge as a source of pragmatic, long-term improvements.
11 years of coding experience
5 years of employment as a software developer
Engineer's degree Informatique, Engineer's degree Informatique at INSA Lyon - Institut National des Sciences Appliquées de Lyon
French, English, Spanish
Stackoverflow
10,743reputation
5.3mreached
205answers
39questions
vuejs2
top-5%
git
top-5%
javascript
top-5%
shell
top-5%
Github Skills (19)
capi10
ruby10
geos10
geolocation10
rubygems9
javascript9
git9
vue9
vuejs29
shell9
html6
titlecase6
ruby-on-rails6
command-line6
json6
Programming languages (24)
Github contributions (5)
rgeo/rgeo
Nov 2020 - Dec 2022
Geospatial data library for Ruby
Role in this project:
Back-end Developer
Back-end DeveloperContributions:205 reviews, 61 commits, 75 PRs in 2 years 1 month
Contributions summary:Ulysse primarily contributed to the geospatial data library for Ruby, focusing on enhancements and bug fixes related to geometric analysis within the GEOS library. They implemented a method to check the direction of rings, utilizing the GEOS C API. The user also refactored code, improving local development and clarifying usage by changing `require` statements. Furthermore, the user addressed memory leaks and improved code reliability related to the `Polygon#invalid_reason` method.
geospatialrubyrgeogeolocationproj4-library
BuonOmo/ulysse.md
Jun 2021 - Feb 2023
Contributions:127 commits, 2 PRs, 122 pushes in 1 year 7 months
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