Simon Marquis
Senior Android Engineer
Info
- 👨 years old
- 🌐 French
- 🚗 Driving license
Portfolio
🏢 Work Experience
Jan. 2022 - Now Senior Android Engineer @ leboncoin Core Team: DevX, CI/CD, tooling, perfs and all tech related subjects
Continuous Integration & Continuous Delivery (CI/CD)
- Infrastructure: Gerrit, Zuul, Concourse
- Gradle: Build Scans and optimized Remote Build Cache
- Enable Kotlin scripts (.kts) support on CI
- Setup and maintain EC2 debian instances (AWS IAM)
- Daily warmup job to fetch build dependencies (~1GiB saved)
- Periodic jobs to publish delivery builds, tests, analytics and nightlies
- Reduce app launch time from ~6s down to ~1s with a custom KSP plugin
- Implement a more robust in-app deprecation framework
- Create type-safe & real-time RemoteConfigs on top of Firebase
- Produce and maintain core utilities and extensions on platform types
- Introduce the first Kotlin multiplatform module to optimize build time
- Configure and debug R8/Proguard on a large and legacy codebase
- Revamp the companion app to debug and troubleshoot the main apps
Tooling
- Promote extensive use of JVM and Android test fixtures
- Gradle: generalize the use of Gradle convention plugins
- Lints: missing non-breaking spaces, invalid usages of mocks, etc.
- TestRules: FeatureFlags, RemoteConfigs, Locales, Flakiness, Coroutines, etc.
- Scripts: module builder, AVD optimizations, JUnit file merger, etc.
- Plugins: detect dependency changes in builds with DependencyGuard
- Automated Slack notifs: metrics report, critical path, baseline profile, etc.
- Create Android's Guild documentation on the Backstage platform (MkDocs)
- Dev setup guides: hardware, Gerrit, Android Studio, Java, Gradle, etc.
- Coding conventions: Kotlin style guide, test assertions, etc.
- Troubleshooting guides for Gradle, Kotlin, Cache, etc.
- Collect and reference all presentations (slides, recordings, code)
- Knowledge base of bugs, crashs and ANRs
Feb. 2020 - Dec. 2021 Android Engineer @ leboncoin Maps Feature Team
Build the new Maps experience from scratch. Enable searching for an accomodation directly from a map. Strong focus on ease of use and also look & feel.
Nov. 2013 - Oct. 2019 Lead Android developer and Lead Mobile team @ SightCall
Lead the Android refactor of SightCall's internal SDK
- API rewrite with a strong focus on readability, modularity and performance
- Complete Javadoc documentation and detailed How-To guides
- Publish the library on a self hosted Maven repository through Amazon S3
- Create a full-featured utility app to simplify QA tasks
- Create a Google Glass proof-of-concept with voice control, QRCode, etc.
- Full support for most wearable devices (Google Glass, Vuzix, RealWear, …)
- Enable support for external USB cameras
- Set up a private internal app store with dedicated QA apps
- Develop a live AR measurement tool using ARCore
Lead the Android Universal projects (SDKs & APPs)
- High level SDK to minimize the effort needed from third-party developers
- Live video feed, share video clips and photos, draw annotations, deeplink, …
- Picture-in-Picture mode: live video overlay on top of other apps
- Screen mirroring, even when the app is not in foreground
- Develop and publish multiple apps implementing this SDK
- Heavy use of Gradle and bash scripts to reduce build time and updates
- Automated build processes and test suites with Jenkins
- Uploads on Google Drive and email notifications for each release build
- Project and API versioning using gitflow and semver
Apr. - Sept. 2013 Android and Java EE developer @ ATOS INTEGRATION
Design and development of an Android app in the healthcare field.
Build a data import tool in Java EE.
Build a data import tool in Java EE.
Jun. - Aug. 2011 Web developer @ PETITJEAN SAS
Development of a price comparison tool for brico.fr.
Creation of 2 Android apps linked to brico.fr and comparemandataire.fr.
Creation of 2 Android apps linked to brico.fr and comparemandataire.fr.
Jun. - Aug. 2012 Web and Android developer @ VEGA COMMUNICATION
Development of an online solution for a free magazine: 100% Vosges.
Design and creation of an Android app, and improvements to the Back Office.
Design and creation of an Android app, and improvements to the Back Office.
Apr. 2010 Engineering Office Assistant @ ENERGIES HAUTES VOSGES
Consulting firm for networking grids, phones, etc.
👨💻 Personal Projects
📚 Education
2010 - 2013 TELECOM Nancy @ Villers-lès-Nancy
Engineering school in Information Technology
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2012 - 2013Project leader - 4 persons
Application to record and broadcast meetings -
2012Interdisciplinary Project
Cloud deployments with PaaS
2008 - 2010 ESSTIN @ Villers-lès-Nancy
Engineering school - Preparatory cycle
🏆 Distinctions
Google Open Source Peer Bonus
- Nov. 2023 📢 📄 Now in Android
- Sep. 2021 📢 📄 Install Referrer
Mar. 2015 Mobile Premier Awards
Finalist of the largest cross-platform app showcase in the mobile industry, during the Mobile World Congress in Barcelona.
Dec. 2014 AppCircus Paris
Out of the 9 android apps pitched live at Institut Mines-Telecom in Paris, the Paper Airplanes app got all the attention from the jury and the audience.
Mar. 2013 Android Game challenge
Winner of the competition organized by Télécom Saint-Etienne, Ecole des Mines de Saint-Etienne and SQLI.
🧮 Miscellaneous
Programming
Languages: Kotlin Java JNI / NDK JavaScript Bash
Tools & platforms: git GitHub / GitLab JIRA Firebase AndroidX ARCore
CI/CD: GitHub Actions Zuul Travis CI Jenkins
Hobbies
Indoor & outdoor climbing
Ski touring
Running
Languages
French: Native
English: Fluent
TOEIC 815 pts in 2010
TOEIC 815 pts in 2010