Felix Gnass
Lead Developer at Lionizers GmbH
Hamburg, Germany
Summary
🤩
RockstarFelix Gnass is a Lead Developer based in Hamburg with 15 years of experience building reliable full-stack systems and leading engineering teams. He combines backend and DevOps strengths—evident from core contributions to tools like node-dev and server-side DOM implementations—with front-end polish, having shipped UI components and documentation for projects like spin.js. Felix has a track record of improving robustness and interoperability in open-source projects, including notable fixes and feature work for the widely used Jovo conversational framework and jsdom. At multiple companies he’s moved from hands-on development to technical leadership, balancing quality assurance, error handling, and cross-platform integrations. Colleagues describe him as a pragmatic problem solver who elevates libraries and developer tooling rather than just building outward-facing features.
15 years of coding experience
22 years of employment as a software developer
English, German
Github Skills (32)
filesystem10
javascript10
testing10
command-line-interface10
url-parsing10
file-operations10
dom-manipulation10
front-end-development10
web-standards10
fileio10
command-line10
html10
nodejs10
cli10
scripting9
Programming languages (11)
Github contributions (5)
fgnass/node-dev
Dec 2010 - Mar 2021
Zero-conf Node.js reloading
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:246 commits, 76 PRs, 35 pushes in 10 years 4 months
Contributions summary:Felix primarily contributed to the core functionality of the node-dev tool by modifying the wrapper script. They introduced changes to handle errors, manage command-line arguments, and integrate with the operating system's notification system. They also refactored the code to improve reliability and compatibility with various node.js versions. Furthermore, the user made changes to the testing setup, demonstrating a concern for quality assurance and maintainability.
zeronode-jsconfnodejschild-process
fgnass/spin.js
Aug 2011 - Oct 2015
A spinning activity indicator
Role in this project:Front-end Developer
Front-end DeveloperContributions:222 commits, 5 PRs, 15 pushes in 4 years 2 months
Contributions summary:Felix primarily focused on the development of UI components and styling for the project. They implemented and integrated the "fd-slider" component, which appears to be a custom slider control. The user updated the project page (index.html) by adding features, examples, and documentation, including styling and JavaScript interaction. The changes indicate a focus on enhancing the user interface and making the project more user-friendly.
interactionanimationactivity-indicatoranimatespinner
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.