Christian Liebel
Team Lead Consultant at Liebel Software
Leimersheim, Rhineland-Palatinate, Germany
Summary
🤩
Rockstar🎓
Top SchoolChristian Liebel is a seasoned web technologies leader and Team Lead Consultant at Thinktecture with 11+ years of experience building and advising on progressive web apps and developer tooling. A Google Developer Expert for Web Technologies & Angular and a Microsoft MVP in Developer Technologies, he blends standards work—actively participating in the W3C Web Apps Working Group and co-editing the Web App Manifest—with hands-on engineering contributions to notable projects like Bubblewrap and web-platform-tests. He runs his own software company, Liebel Software, while guiding Central European teams on architecture and PWA strategy, bringing rare expertise in manifest handling, CLI UX and cross-platform packaging. Regularly publishing articles and presenting at conferences, he translates standards-level nuance into practical developer workflows and test coverage improvements.
11 years of coding experience
6 years of employment as a software developer
Master of Science - MS, Informatik, 1,7, Master of Science - MS, Informatik, 1,7 at DHBW Center for Advanced Studies HeilbronnBachelor of Science (B.Sc.), Informatik, 1,2, Bachelor of Science (B.Sc.), Informatik, 1,2 at Duale Hochschule Baden-Württemberg KarlsruheAllgemeine Hochschulreife, 1,9, Allgemeine Hochschulreife, 1,9 at Goethe-Gymnasium Germersheim
German, English
Stackoverflow
506reputation
25kreached
9answers
1question
Github Skills (23)
javascript10
testing10
typescript10
pwapp10
typescript-types10
html10
web-app-manifest10
typescripts10
web-development10
documentation10
css9
cli9
test-automation9
android8
inquirer7
Programming languages (11)
Github contributions (5)
w3c/manifest
Aug 2018 - Jul 2020
Manifest for web apps
Role in this project:
Technical Writer
Technical WriterContributions:34 reviews, 10 commits, 42 PRs in 1 year 10 months
Contributions summary:Christian primarily contributed to the repository by making editorial changes to the documentation, specifically related to the Web Application Manifest specification. These changes involved clarifying existing definitions, correcting inaccuracies, and adding details on various aspects of the manifest, such as image resources, color parsing, and file extensions. The user also updated the documentation to reflect the latest specifications, like removing deprecated platform support from `ManifestImageResource`.
manifestjavascriptweb-applicationweb-appswebapp
web-platform-tests/wpt
Jun 2020 - Feb 2021
Test suites for Web platform specs — including WHATWG, W3C, and others
Role in this project:Front-end Developer
Front-end DeveloperContributions:6 commits, 6 PRs, 10 comments in 7 months
Contributions summary:Christian primarily contributed to testing and validating the Web App Manifest specifications within the `wpt` repository. They wrote manual tests for various manifest members such as `theme_color`, `icons`, `display`, `orientation`, and `start_url`. The user's work involved creating HTML test files and related manifest files, ensuring proper rendering and behavior of web applications based on these manifest properties. Furthermore, the contributions included testing for CORS and CSP compliance related to manifest icons and shortcuts.
microsoft-edgetest-runnerspecssafarifirefox
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