Gabriel Delavald is a Senior Software Engineer based in London with 10 years of experience focused on front-end development and product-facing platforms. He currently leads B2B front-end efforts at Trainline, shaping tech vision and onboarding capabilities for customer agent tooling, and has a strong track record building conversational UIs and scalable React/GraphQL systems. Previously a front-end engineering manager and lead maintainer of Rocket.Chat’s Electron desktop app, he has shipped cross-platform UI improvements and integrations for a widely used open-source communications project. Gabriel combines hands-on refactors and feature work with mentorship and team leadership, and is comfortable operating at the intersection of product, design and engineering to turn complex requirements into polished user experiences.
Official OSX, Windows, and Linux Desktop Clients for Rocket.Chat
Role in this project:
Full-stack Developer
Contributions:70 commits, 68 PRs, 115 pushes in 1 year
Contributions summary:Gabriel primarily focused on the frontend aspects of the Rocket.Chat Electron application, modifying the user interface and application behavior. Their contributions included refactoring the sidebar, adding a new style and behavior for the sidebar, addressing notification interactions on macOS and adding new features for the application such as handling URL schemes. The user also made changes to the loading error page and performed various code refactoring tasks.
The communications platform that puts data protection first.
Role in this project:
Front-end Developer
Contributions:131 commits, 49 PRs, 129 pushes in 1 year 4 months
Contributions summary:Gabriel primarily worked on front-end components within the Rocket.Chat project, as evidenced by the commit messages referencing changes to UI elements like the message box and emoji picker. Their contributions include modifying time format settings, fixing issues with link rendering in blockquotes, and optimizing emoji filtering. The user also implemented a preference for one-click-to-direct-message and made styling adjustments. The user also created a new feature to embed livestreams on a channel.
meteordata-protectionchatjavascriptcollaboration
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