Guillaume Bernos
Staff Software Engineer at Invertase
Biarritz, Nouvelle-Aquitaine, France
Summary
🤩
Rockstar🎓
Top SchoolGuillaume Bernos is a Staff Software Engineer based in Biarritz with nine years of experience building web and mobile applications, currently leading technical initiatives at Invertase. He combines hands-on Flutter and React Native expertise with deep Firebase integration knowledge, contributing significant features and fixes to widely used open-source projects like react-native-firebase and FlutterFire. Creator and long-time maintainer of a Flutter location plugin that became Flutter Favorite and serves thousands, he brings practical cross-platform mobile experience on both iOS and Android. Guillaume mentors teams, architects scalable systems, and drives technical strategy while still shipping code and UX-focused improvements. He blends formal engineering training from Télécom SudParis with international exposure at Nanyang Technological University, reflecting both rigorous foundation and curiosity. Notably, his contributions include modular API migrations that align mobile SDKs with web Firebase v9 patterns, helping unify developer ergonomics across platforms.
9 years of coding experience
4 years of employment as a software developer
Diplôme d'ingénieur Ingénierie informatique, Diplôme d'ingénieur Ingénierie informatique at Télécom SudParisNanyang Technological University Singapore
Github Skills (19)
javascript10
ios10
react-native10
flutter-apps10
ui-design10
uid10
front-end-development10
android10
firestore10
swift10
flutter-game10
firebase10
flutter10
firebase-authentication9
dart9
Programming languages (9)
Github contributions (5)
Lyokone/flutterlocation
Jul 2017 - Jan 2023
A Flutter plugin to easily handle realtime location in iOS and Android. Provides settings for optimizing performance or battery.
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:13 releases, 18 reviews, 270 commits in 5 years 6 months
Contributions summary:Guillaume primarily contributed to the iOS side of the Flutter plugin, adding new functionalities and improving the overall quality of the location handling plugin. Their work included implementing result format corrections and adding support for features like accuracy, altitude, and speed. Furthermore, the user made code changes to match the Android implementation and fixed bugs. They also updated the documentation.
realtimebatterydartrealtime-locationandroid
firebase/flutterfire
Jan 2022 - Jan 2023
🔥 A collection of Firebase plugins for Flutter apps.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:989 reviews, 148 commits, 1021 PRs in 11 months
Contributions summary:Guillaume primarily contributed to the Firebase UI for Flutter applications, specifically implementing features like autofill hints, the addition of Google sign-in and custom domain support. Their work involved modifying UI components like text fields and password inputs, as well as adding support for new features. The user demonstrated proficiency in Flutter and Firebase, working across multiple plugins within the repository.
flutter-appsgooglefirebasedartflutter
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