James Henstridge is an experienced Ubuntu Desktop Developer at Canonical with 22 years in software engineering, specializing in C, Python, and JavaScript for both GTK/GNOME desktop apps and Zope-based web services. He has played a key role in improving Snap support on the desktop—designing features in snapd and snapcraft—and has deep practical knowledge of D-Bus, systemd, AppArmor, and container interactions. His contributions span core GNOME libraries (glib), xdg-desktop-portal, and database adapters like psycopg2, reflecting a strong backend and systems orientation as well as UI theming work on Yaru. A former Launchpad and Ubuntu One developer, he combines low-level C expertise with Python web service experience and an academic background in pure mathematics and IT. Notably, he has driven subtle reliability and testing improvements (e.g., portal fallbacks and signal handling) that enable safer desktop integration for confined apps. Based in Perth, Australia, he is an active open-source contributor who bridges system architecture and pragmatic engineering.
21 years of coding experience
13 years of employment as a software developer
BSc (Hons), Pure Mathematics & Information Technology, BSc (Hons), Pure Mathematics & Information Technology at The University of Western Australia
Contributions:30 reviews, 10 commits, 9 PRs in 3 years 7 months
Contributions summary:James primarily contributed to the core functionality of the `xdg-desktop-portal` project, focusing on improving its integration with various desktop environments. They implemented and refined logic for identifying applications, including those confined by Flatpak and Snap, and added testing for these functions. Several commits involved modifying the document portal implementation, improving file access handling. The user also made architectural changes related to the handling of file access and inter-process communication.
The snapd and snap tools enable systems to work with .snap files.
Role in this project:
Back-end Developer
Contributions:349 reviews, 817 commits, 161 PRs in 5 years 11 months
Contributions summary:James primarily focused on implementing new features within the snapd project related to desktop portal integration and service control. This involved writing tests for xdg-desktop-portal filechooser integration, adding a test for the desktop portal screenshot API, and implementing a "session-agent" command to manage user session services. The user demonstrates an understanding of D-Bus communication, apparmor, and systemd, by interacting with related features within the snapd environment, including both service management and API design.
snapdsnap
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James Henstridge - Ubuntu Desktop Developer at Canonical Ltd.