Stef Walter
Senior Director, Linux Engineering At Red Hat
Greater Karlsruhe Area Germany
Summary
🤩
RockstarStef Walter is a seasoned technology leader with 22 years of experience, currently Senior Director of Linux Engineering at Red Hat, where he has progressed through engineering and management roles since 2012. He combines deep systems and platform engineering expertise with product-focused leadership, driving large-scale Linux and container infrastructure initiatives. Stef is an active open-source contributor across high-profile projects like GNOME glib, ostree and the OpenShift web console, contributing both low-level C resolver and checksum logic and user-facing UI improvements. His work shows a rare blend of backend robustness (DNS parsing, xattr error handling, build automation) and frontend polish (topology views, modal dialogs), enabling full-stack impact. Based in the Greater Karlsruhe area, he brings pragmatic engineering judgment paired with a track record of improving maintainability and usability in critical open-source tooling. Colleagues would note his hands-on approach to solving tricky edge cases as much as his ability to scale teams and products.
23 years of coding experience
13 years of employment as a software developer
German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (44)
kubernetes10
javascript10
container10
website-development10
gnome-shell10
css10
command-line-interface10
user-interface10
c1110
ui-design10
graphical-user-interface10
glib10
c1710
package-manager-tool10
uid10
Programming languages (20)
Github contributions (5)
cockpit-project/cockpit-project.github.io
Nov 2013 - Sep 2018
Cockpit Project Website
Role in this project:
Front-end Developer
Front-end DeveloperContributions:7 reviews, 86 commits, 31 PRs in 4 years 11 months
Contributions summary:Stef primarily contributed to the project's website by modifying HTML and CSS files. The contributions included updating the content of the website, such as the documentation link, mailing list link, and operating system information. The user also made adjustments to the wording and visual aspects of the website. These changes focused on enhancing the information presented to users and improving the overall user experience.
cockpit-projectcssproject-websitecockpitjekyll
GNOME/glib
Oct 2010 - Aug 2015
Read-only mirror of https://gitlab.gnome.org/GNOME/glib
Role in this project:Back-end Developer
Back-end DeveloperContributions:152 commits in 4 years 10 months
Contributions summary:Stef primarily contributed to enhancing the Glib library by adding support for various DNS record types (MX, TXT, NS, SOA) to the GResolver component. They implemented resolver functions for these record types, returned records as GVariant tuples, and integrated this functionality within the existing service lookup framework. Furthermore, the user addressed issues related to the robustness of DNS response parsing, handling truncated responses and invalid names. They also introduced a new function, `g_compute_checksum_for_bytes()`, alongside associated unit tests.
glibgnome
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