Pascal Birchler is a Senior Software Engineer with 12 years of experience building web and AI tooling at Google and as a long-time WordPress core committer. He blends front-end polish and back-end reliability—working on projects from the Gutenberg editor and Web Stories to WP-CLI caching and PHP gettext parsing. At Google he’s driven web performance and Web AI integrations, and now focuses on raising Gemini’s developer-facing code quality. An active open-source maintainer, he’s contributed to high-profile projects like Yoast SEO and Google’s Web Stories for WordPress while co-maintaining WP-CLI and serving on WordPress security. Based in Zurich, he pairs public speaking and community leadership with a curiosity for practical, performance-first engineering.
12 years of coding experience
14 years of employment as a software developer
Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at Hochschule für Technik Rapperswil
Eidgenössisches Fähigkeitszeugnis, Informatik, 5.3, Eidgenössisches Fähigkeitszeugnis, Informatik, 5.3 at Gewerbliche Berufsschule Chur
Contributions:25 releases, 6140 reviews, 4095 commits in 4 years 6 months
Contributions summary:Pascal's commits primarily focused on front-end development within the Web Stories for WordPress project. They were involved in fixing tests, integrating and configuring AMP for WordPress features, and contributing to animation features by modifying the visual representation and behavior of the components. The commits also involved code cleanup through lint fixes and the addition of specific features, indicating a focus on improving the user interface and overall functionality of the Web Stories editor.
PHP library to collect and manipulate gettext (.po, .mo, .php, .json, etc)
Role in this project:
Back-end Developer
Contributions:16 commits, 7 PRs, 17 comments in 3 years 5 months
Contributions summary:Pascal primarily focused on enhancing the gettext library's functionality related to comment extraction and parsing. They improved the PhpFunctionsScanner class to better identify and handle comments, including multi-line and comments on the same line as function calls. The user made changes to the ParsedComment class and added a new static method to create new ParsedComment objects. They also updated tests to reflect the changes, improving the accuracy of comment extraction.
collecttranslationphpinternationalizationgettext
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Pascal Birchler - Senior Software Engineer at Google