Pierre Lehnen
Backend Developer
Summary
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RockstarPierre Lehnen is a backend developer with eight years of experience who contributes to Rocket.Chat's open-source communications platform, blending backend focus with notable front-end security and UX improvements. Based in Brazil, he has shipped practical features like secure attachment link attributes, configurable email notification content, admin-driven random password generation, and integrations for SAML and LDAP user data. His work reflects a pragmatic attention to security, admin tooling, and cross-stack impact—often touching UI while solving backend and integration challenges. An active contributor to a widely used privacy-first chat project, he brings hands-on engineering that balances usability with operational controls.
8 years of coding experience
Github Skills (10)
uid10
javascript10
front-end-development10
ui-design10
security9
css8
html8
react8
saml7
ldap6
Programming languages (4)
Github contributions (5)
RocketChat/Rocket.Chat
May 2018 - Jan 2023
The communications platform that puts data protection first.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:11 releases, 871 reviews, 511 commits in 4 years 8 months
Contributions summary:Pierre primarily contributed to the front-end of the Rocket.Chat application. Their work involved modifying UI elements, including the addition of the `no-opener` and `no-referrer` attributes to attachment links for security. Further changes included the implementation of new user settings, such as removing message content from email notifications and implementing a system for admins to set a random password for users. The user's contributions also extended to adding features like SAML user data mapping and a setting to determine if LDAP user active states should be synced.
meteordata-protectionchatjavascriptcollaboration
RocketChat/Apps.BigBlueButton
Jun 2022 - Jul 2024
Contributions:4 reviews, 4 PRs, 6 pushes in 2 years 1 month
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