Felix Nagel
Freelance Webdeveloper at jQuery Project
Oestrich-Winkel, Hesse, Germany
Summary
🤩
Rockstar🎓
Top School
Top expert inJavaScript Ecosystem Development
Felix Nagel is a freelance web developer based in Oestrich-Winkel, Germany, with 16 years of experience building production-ready web applications and components. He blends backend frameworks like TYPO3 and Symfony with front-end expertise, having contributed significant UI work to the widely used jQuery UI library. As a long-standing jQuery UI team member, he implemented and refined the Selectmenu widget—addressing accessibility, keyboard behavior, styling and event callbacks—demonstrating attention to detail in reusable UI components. Felix has run his own consultancy since 2014 and previously scaled teams and products as a CTO and senior developer, pairing hands-on coding with product-minded leadership. An open-source enthusiast, he brings both practical delivery experience and a commitment to community-driven quality.
17 years of coding experience
6 years of employment as a software developer
Diplom Ingenieur der Medieninformatik (FH), Media Computer Science, Diplom Ingenieur der Medieninformatik (FH), Media Computer Science at Technische Hochschule Mittelhessen
German, English, French
Github Skills (9)
uid10
javascript10
front-end-development10
ui-design10
jquery10
interface-design9
css9
user-interface9
html8
Programming languages (17)
Github contributions (5)
jquery/jquery-ui
Sep 2011 - Jul 2022
The official jQuery user interface library.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:117 reviews, 564 commits, 74 PRs in 11 years
Contributions summary:Felix was heavily involved in developing and implementing the "Selectmenu" UI component for the jQuery UI library. They focused on creating the initial implementation, fixing dependencies, improving the visual style, and adding various callback events. The user's contributions included refactoring and cleanup, and they also addressed a number of issues, including fixing keypress events, preventing item looping, and handling disabled states.
jqueryjavascript
fnagel/generic-gallery
May 2014 - Dec 2022
TYPO3 extension: Generic Gallery - One gallery to rule them all!
Contributions:31 releases, 10 reviews, 420 commits in 8 years 8 months
typo3-extensiontypo3typo3-cmstypo3-cms-extensionphp
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.