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Antoine JauryAJ

Antoine Jaury

Senior Native Android App Developer (Kotlin)

€600/day
Auray, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Antoine

Senior freelance native Android application developer in Kotlin & mobile app development project manager, I support digital projects around the Morbihan region (Auray, Vannes, Lorient...), and more broadly in Brittany and the Loire Valley.

I offer support ranging from design to production and maintenance of your mobile applications, including a development phase in agile cycles.

I have a mastery of the main architectures, best practices, and latest components of the Android environment: Jetpack Compose, Micro/macrobenchmark, Baseline profile, energy and performance measurement, Koin / Hilt dependency injection, Retrofit, WorkManager, Kotlin Multiplatform (KMP) ...

Beyond code, I am sensitive to defining needs and designing user experience. We can thus think together about the application you need before realizing it.

My experience in Android application development and in mobile energy measurement laboratories also allows me to support you in improving the performance of your applications, as well as in reducing their energy consumption. To do this, we work on the different phases of application development: eco-design (reflection on needs, application accessibility, inclusion, and energy-consuming elements), development with monitoring of indicators related to accessibility and energy consumption, improvement of the energy efficiency of the most consuming parts, and support in the process of reducing the carbon footprint of your applications.

Depending on your needs, we can work together on a full-time or part-time basis.
  • French

    Native or bilingual

Can work on-site
Auray (up to 50km)

Experience

  • Electra
    Senior Android/KMP Developer (Native/Kotlin)
    TRANSPORTATION
    May 2025 - Today (1 year and 1 month)
    Paris, France
    Development of a trip planner feature for electric vehicles:
    • Development of a Kotlin Multiplatform module (Data/Domain/View-Model) with adjustments to Android and iOS apps to maintain compatibility between versions,
    • Development of Android UIs with Jetpack Compose, using data exposed by the KMP part (MVVM architecture),
    • Minor adjustments to the iOS part (Swift),
    • Participation in design reviews (Figma),
    • Participation in functional specifications.
    Kotlin Multiplatform Jetpack Compose Android Development Android Kotlin
  • Indépendant
    Organizer of the Auray Area IT Developer Meetups
    January 2024 - Today (2 years and 5 months)
    Auray, France
    Leading a group of about 40 IT developers in the Auray area. We meet once a month, about a dozen of us, in a venue in Auray to discuss current events, debate a problem in our field, or share our personal experiences. The main goal is to alleviate isolation for those who work alone, remotely, or in teams where few people perform similar jobs. It's also an opportunity to meet other profiles than those we already interact with.
  • OODrive
    Android Project Management & Development Support
    October 2021 - Today (4 years and 8 months)
    Vannes, France
    Support in Android project management: production and roadmap monitoring. Development on the native Android application (Kotlin/Java) for application updates and corrective maintenance.

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Education

  • Engineering Degree, Industrial Electronics and Computer Science
    INSA Rennes - National Institute of Applied Sciences of Rennes
    2015
    Diplôme d'ingénieur, Electronique et Informatique Industrielle
  • Computer science (Software design and project management)
    Technical University of Cluj-Napoca
    2014
    Computer science (Software design and project management)

Skill set

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