Roman Wuattier
Software Engineer at Datadog
Greater Paris Metropolitan Region France
Summary
👤
Senior🎓
Top SchoolRoman Wuattier is a software engineer with a decade of experience building mobile and backend systems, currently working at Datadog after several years at BlaBlaCar. He specializes in Android development and has contributed to high-profile open-source projects like Firefox for Android/Focus and RxJava, shipping features such as webcompat reporting and integrating Sentry for build-flavor diagnostics. Comfortable across the stack, he pairs UI-focused mobile work with backend robustness and testing, demonstrated by bug fixes and core improvements to RxJava. Based in Greater Paris, he brings a disciplined, competitive mindset—honed through years of archery—to collaborative engineering and product-focused delivery. Notably, his open-source contributions show attention to real-world product telemetry and localization/security edge-cases that improve user trust.
11 years of coding experience
2 years of employment as a software developer
Griffith College CorkEPITA: Ingénierie Informatique
French, English
Github Skills (22)
kotlin10
mobile-development10
rxjavafx10
testing10
browser10
java10
javas10
android10
rxjava10
reactive-streams10
geckoview10
flow-control9
work-flow9
control-flow9
workflow-automation9
Programming languages (4)
Github contributions (5)
ReactiveX/RxJava
Apr 2018 - Aug 2019
RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits, 9 PRs, 18 comments in 1 year 4 months
Contributions summary:Roman primarily contributed to the RxJava library, focusing on bug fixes and improvements to the documentation and core functionality. The commits involved changes to the `Observable` and `Flowable` classes, addressing javadoc issues and fixing potential issues related to unbounded blocking operations. The user also worked on a test case, demonstrating their involvement in the testing and quality assurance aspects of the library.
asynchronousjavajvmreactive-extensionsrxjava
mozilla-mobile/focus-android
Apr 2018 - Jul 2018
⚠️ Firefox Focus (Android) moved to a new repository. It is now developed and maintained as part of: https://github.com/mozilla-mobile/firefox-android
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:5 commits, 8 PRs, 21 comments in 2 months
Contributions summary:Roman implemented several features related to the Firefox Focus Android browser. This included adding a "Report Site Issue" feature, which involved adding a menu button, string resources, and attaching the current URL to the webcompat reporting tool. Additionally, the user modified the code to show "Report Site Issue" only in GeckoView builds and fixed an issue where localized content was incorrectly shown as insecure. Finally, they added build flavor information to Sentry error reports and initialized Sentry from the application.
androidfirefoxfirefox-androidmobilebrowser
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