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Clement QuaquinCQ

Clement Quaquin

Lead dev Android

€700/day
Redon, FR
15+ years

Average response time: 1 hour

About Clement

Software engineer in Kotlin and Java languages, mobile development (Android, iOS)


Senior Mobile Engineer specialized in Android development with strong expertise in Kotlin and Java. I help companies build scalable, high-performance mobile applications focused on user experience and software quality.

With several years of experience working on large-scale products, including projects at SNCF Connect & Tech, I contribute across the full development lifecycle: architecture, native Android development, software quality, performance optimization, CI/CD, and technical mentoring.

Passionate about mobile technologies and product excellence, I have also contributed to open-source projects and mobile SDKs in Kotlin and less often Swift. Known for my reliability, adaptability, and collaborative mindset, I am currently looking for freelance opportunities in mobile development, Android expertise, and technical consulting.


Specialties: Kotlin/Java : Android, Jetpack Compose

Mobile : iOS Swift, Flutter, ReactNative

Testing : Junit, Mockito, Espresso

Databases : MySQL, PostgreSQL, Oracle, SQLite

Graphics : Inkscape, Gimp

Others : Clean architecture, Gradle builds, Jenkins configuration, Gitlab CI, circleci, github ...
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • ClementQuaquin
    Lead dev Android
    January 2022 - Today (4 years and 5 months)
    Redon, France
    • Missions de conseil, conception et développement sur applications ou librairies mobiles
    • SNCF Connect & Tech (3 ans)
    . Général : Étude sur les technologies multiplateformes : benchmark, marché, impacts, etc
    . Cosmo : Reprise de l'application, mise à niveau des composants, développement de nouvelles fonctionnalités, migrations techniques (Dagger -> Hilt), etc
    . Scanlab : Appli Android permettant de comparer et «benchmarker» les différentes solution de scan de codes barres par caméra
    Android Kotlin Jetpack Compose Git Gitlab CI/CD
  • Screeb
    Lead dev mobile
    January 2021 - January 2022 (1 year)
    • Conception et développement des librairies Screeb pour de nombreuses technologies mobiles : Android (kotlin), iOS (swift), Flutter, ReactNative
    • Déploiement et publication des librairies sur MavenCentral, Cocoapods, pub.dev et npmjs
    • Mise en place de la CI pour les builds et tests automatisés (CircleCi).
    • Meetups internes (veille technique de l'écosystème mobile)
  • Oui.sncf
    Lead dev Android
    January 2017 - January 2021 (4 years)
    • Lead dev Android sur Cosmo
    • Développement, conception Android et Backend sur TGV PRO
    • Meetups internes (architecture logicielle, refonte de projet)

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Education

  • Licence et Maîtrise de Sciences Physiques
    Licence et Maîtrise de Sciences Physiques
  • Bac S
    Bac S

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