Sebastian Gräßl
Ruby & JavaScript Developer at Red Hat
Bagnaria Arsa, Friuli – Venezia Giulia, Italy
Summary
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SeniorSebastian Gräßl is a seasoned Ruby and JavaScript developer with 15 years of experience building and improving web platforms, currently focused at Red Hat. He blends front-end polish and UX improvements with back-end robustness, contributing across notable open-source projects like Foreman and Katello where he enhanced UI performance, provisioning workflows, and backend integrations. His career spans startups, agencies, and platform engineering—work that includes maintaining a Rails-based DAM, building responsive front ends with SEO in mind, and even a detour into ColdFusion that broadened his tooling perspective. Comfortable as a "half-stack" developer, he repeatedly surfaces practical UX fixes and architectural tweaks that make large systems more usable and automatable.
15 years of coding experience
8 years of employment as a software developer
German, English
Stackoverflow
9reputation
231reached
2answers
0questions
Github Skills (37)
atom-editor10
ruby-rails10
content-management-system10
puppeteer10
javascript10
foreman10
coffeescript10
theforeman10
puppet10
rails10
ui-design10
ruby10
uid10
front-end-development10
content-management10
Programming languages (12)
Github contributions (5)
theforeman/foreman
Oct 2016 - Jan 2019
an application that automates the lifecycle of servers
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:50 commits, 51 PRs, 171 comments in 2 years 3 months
Contributions summary:Sebastian primarily focused on enhancing the user interface and improving the overall user experience within the Foreman application. They added webpack functionality to improve the performance of welcome and unauthorized pages, and refactored the UI to show unavailable Puppet Classes in host group edit forms. Furthermore, they addressed a jQuery selector issue and made adjustments to the provisioning template history, enhancing the visual clarity. This user demonstrated expertise in both front-end and back-end development, with a focus on improving usability and functionality.
automatesmaasinfrastructure-managementvirtualizationhybrid-cloud
Katello/katello
Apr 2017 - Mar 2019
Katello integrates open source systems management tools into a single solution for controlling the lifecycle of your machines.
Role in this project:Backend Developer
Backend DeveloperContributions:8 commits, 6 PRs, 14 comments in 2 years
Contributions summary:Sebastian primarily focused on backend development, contributing to the Katello project's core functionality. Their work included addressing bug fixes and implementing enhancements related to content view management for container creation. They also added Katello job templates for the Ansible provider, improving the integration with automation tools, and removing a hard dependency on foreman-docker. The changes demonstrate a focus on improving features and system architecture.
zammadrpmlifecyclepuppettheforeman
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