Sergio Arbeo
Ingeniero De Software at Alan
Madrid, Community of Madrid, Spain
Summary
🤩
Rockstar🎓
Top SchoolSergio Arbeo is a pragmatic software engineer with 17 years of experience crafting backend and frontend systems, currently focused on Elixir and Phoenix LiveView and recently joining Alan. He combines deep technical work—rewrites that achieved zero-downtime deployments and test coverage improvements from 0% to 95%—with a collaborative mindset that treats code reviews as learning opportunities. An active open-source contributor, he has fixed subtle frontend bugs in frameworks like Glimmer and Ember, refactored core libraries such as go-git and Nokogiri, and improved TypeScript definitions to ease developer experience. With a strong academic background in mathematics and ongoing studies in business and law, he brings analytical rigor and a user-centered design sensibility honed by an unusual hobby: close-up magic, which informs his emphasis on intuitive UX.
17 years of coding experience
15 years of employment as a software developer
CC. Matemáticas Matemáticas, CC. Matemáticas Matemáticas at The Faculty of Engineering at Lund UniversityDoctorado en Ciencias Matemáticas Matemáticas, Doctorado en Ciencias Matemáticas Matemáticas at Universidad Complutense de MadridUOC (Universitat Oberta de Catalunya)
English, Italian, Catalan
Stackoverflow
3,874reputation
473kreached
93answers
1question
arraylist
top-5%
nokogiri
top-5%
ruby
top-5%
Github Skills (52)
git10
ruby-rails10
filesystem10
typesc10
javascript10
ember-data10
testing10
typescript10
rails10
c1110
glimmerjs10
type-definition10
cra10
refactor10
gjs10
Programming languages (16)
Github contributions (5)
sparklemotion/nokogiri
Apr 2009 - Feb 2010
Nokogiri (鋸) makes it easy and painless to work with XML and HTML from Ruby.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:103 commits in 9 months
Contributions summary:Sergio primarily contributed to the `ext/nokogiri` directory, implementing and modifying C code for the Nokogiri library. Their work focused on improving the XML parsing and processing capabilities. The commits include features such as namespace handling, handling text content, and integration with the HTML parser and SAX parser, indicating a focus on enhancing core library functionality. These changes are indicative of someone focused on core library development.
libxml2ruby-gemsaxxmllibxslt
emberjs/ember.js
Jul 2015 - Jun 2018
Ember.js - A JavaScript framework for creating ambitious web applications
Role in this project:Front-end Developer
Front-end DeveloperContributions:136 commits, 108 PRs, 1 push in 2 years 11 months
Contributions summary:Sergio contributed primarily to the documentation and maintenance of the Ember.js framework. The commits involve updating documentation related to action handling, deprecation warnings, and component usage. The changes also included bug fixes and feature implementations in the component system and in the HTMLBars engine.
web-applicationsjavascript-frameworkjavascriptemberjsember
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