Antonio Mateo
Frontend Developer at 47 DEGREES, LLC
San Fernando, Andalusia, Spain
Summary
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RockstarAntonio Mateo is a Frontend Developer based in San Fernando, Andalusia with nine years of hands-on experience building user-focused web interfaces. He combines a strong eagerness to learn new technologies with practical UI/UX improvements, having contributed to high-profile open-source projects like Arrow by enhancing documentation UX—adding version selectors, top-bar redesigns, and sidebar behavior fixes. Antonio excels at translating design details into polished, accessible front-end features and pays close attention to developer experience. His background shows a knack for small but impactful changes that improve long-term project maintainability and community onboarding.
9 years of coding experience
Github Skills (13)
html10
kotlin10
css10
javascript10
jekyll9
ui-design9
interface-design9
user-interface9
documentation8
arrows7
arrow-js7
apache-arrow7
functional-programming5
Programming languages (9)
Github contributions (5)
arrow-kt/arrow
Mar 2019 - Apr 2020
Λrrow - The perfect companion for your Kotlin journey - Inspired by functional, data-oriented and concurrent programming
Role in this project:
Front-end Developer
Front-end DeveloperContributions:18 commits, 49 PRs, 72 pushes in 1 year 1 month
Contributions summary:Antonio primarily focused on enhancing the documentation section of the Arrow project by implementing a version selector dropdown in the home and docs sections, along with a top doc version indicator. They redesigned the top bar and made minor style changes. The user also addressed sidebar behavior and Gitter action bar fixes, contributing to an improved user experience. The user also made other minor improvements like the implementation of a Slack button link.
kotlin-dslfunctional-programmingtypeclassesarrowfor-comprehension
AntonioMateoGomez/neonvampire-site
May 2019 - Apr 2023
official site of the neon vampire band
Contributions:46 PRs, 68 pushes, 42 branches in 3 years 11 months
bandvampireneon
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