Simon Marquis
Staff Android Engineer at Leboncoin.fr
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolSimon Marquis is a Staff Android Engineer based in Paris with 13 years of experience building performant mobile platforms, developer tooling, and CI/CD infrastructure. He has a strong track record shipping consumer apps (one with 500k+ downloads) and leading Android SDK and real-time video efforts at SightCall, including JNI/NDK performance work and multi-device support like Google Glass. At Leboncoin he moved from feature work to developer experience, cutting app launch times dramatically, introducing Kotlin multiplatform modules, and automating build and CI processes to improve developer productivity. An active open-source contributor, he refines UI/UX in Compose projects and improves Gradle tooling and plugin testability. Simon combines deep platform engineering with a habit of documenting and automating workflows, evidenced by extensive internal guides, CI automation, and tooling that saved significant build bandwidth.
13 years of coding experience
11 years of employment as a software developer
Baccalauréat scientifique Option SVT, Baccalauréat scientifique Option SVT at Lycée André MalrauxIngénieur Ingénierie informatique, Ingénieur Ingénierie informatique at TELECOM NancyCycle préparatoire Ingénierie, Cycle préparatoire Ingénierie at ESSTIN
English, German
Stackoverflow
7,406reputation
483kreached
229answers
1question
android
top-1%
adb
top-5%
google-play
top-5%
Github Skills (27)
kotlin10
dependency-management10
ui-design10
android-development10
java10
javas10
uid10
automation10
junit10
front-end-development10
android10
jtest10
jetpack-compose10
automations10
gradlew10
Programming languages (12)
Github contributions (5)
android/nowinandroid
May 2022 - Nov 2022
A fully functional Android app built entirely with Kotlin and Jetpack Compose
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:142 reviews, 29 commits, 206 PRs in 6 months
Contributions summary:Simon primarily contributed to the UI of the Android application. Their work included refactoring and enhancing existing UI components, such as the news resource card and the topic selection interface. The user also addressed visual inconsistencies and implemented improvements to the user interface by fixing layout issues and updating icons, indicating a focus on refining the user experience and visual presentation of the application.
jetpack-composemodularizationstateflowandroidcompose
emmaguy/clean-status-bar
Sep 2014 - Aug 2015
Tidy up your Android status bar before taking screenshots for the Play Store
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:10 commits, 1 PR, 5 comments in 11 months
Contributions summary:Simon primarily focused on enhancing the user interface and functionality of the Android application. Their commits involved replacing UI elements, such as `CheckBoxPreference` with a master `Switch` and adding custom color selection options. The changes also included modifications to the `CleanStatusBarService` for enabling and disabling the status bar cleaning functionality. Furthermore, the user improved the application's visual appearance and user experience by incorporating a darker stroke around color circles and simplifying user interaction with the application settings.
screenshotsandroidstatustidystatus-bar
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