Jason Johnston is a senior frontend engineer and "code wrangler" with 11+ years of professional experience and a 15+-year practical history building modern web applications, developer tools, and performance-oriented UIs. At Automattic he’s shaped large-scale frontend systems for WordPress.com, Jetpack, and the Gutenberg mobile editor—contributing notable React/React Native refactors that improved block editing and inserter UX for millions of users. He specializes in developer experience, visual code editing, and performance-driven architecture, bridging design and engineering with a focus on accessibility and clarity. Jason also brings backend and mobile competence (PHP, Ruby/Rails, Go, Android integrations) so he can move features end-to-end rather than hand them off. His background in cybernetics and hands-on making—from glass-blown ornaments to DIY electronics and fabrication—informs a pragmatic, craft-oriented approach to tooling and product design. He’s currently exploring AI-powered interfaces and real-time collaboration, aiming to make developer workflows faster, more creative, and more joyful.
11 years of coding experience
7 years of employment as a software developer
Industrial Design - Contemporary Craft, Industrial Design - Contemporary Craft at College for Creative Studies
Bachelor of Science, Cybernetics - computer systems concentration, Bachelor of Science, Cybernetics - computer systems concentration at University of California, Los Angeles
The Block Editor project for WordPress and beyond. Plugin is available from the official repository.
Role in this project:
Front-end Developer
Contributions:167 reviews, 59 commits, 106 PRs in 1 year 2 months
Contributions summary:Jason primarily contributed to the development of the mobile block editor for the Gutenberg project. Their work focused on refactoring components to use functional components, utilizing React hooks such as `useSelect` and `useDispatch`. They implemented features such as block search, updated styling, and improved the overall user interface for the inserter menu, contributing to the React Native implementation within the WordPress ecosystem. Their changes also involved the modification of styling using scss and platform specific styling.
Security, performance, marketing, and design tools — Jetpack is made by WordPress experts to make WP sites safer and faster, and help you grow your traffic.
Role in this project:
Back-end Developer
Contributions:90 reviews, 10 commits, 58 PRs in 5 years 4 months
Contributions summary:Jason primarily focused on refactoring and maintaining existing code within the Jetpack plugin. They removed obsolete features, such as the "omnisearch" functionality, and updated core components. Significant contributions included modifications to the `modules/masterbar/masterbar.php` file and syncing changes related to Likes for WordPress.com integration. They also addressed issues related to CSS enqueueing and React Native entry points.
reactexpertswordpressphpsecurity
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Jason Johnston - Senior Code Wrangler at Automattic