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Adrien BoissierAB

Adrien Boissier

Android Developer | Compose | KMP

€550/day
Bruxelles, BE
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Adrien

I specialize in **Android mobile application development**.
I have **9 years of experience**.
I have worked with companies such as:
oGroupe SEB(connected product applications like Companion).
oMichelin(Global leader in composites and tires).

I am able to:
  • Design, develop, and maintain features in line with business needs
  • Participate in the writing of detailed technical specifications
  • Communicate with UX/UI design teams to ensure adherence to Android design guidelines
  • Develop mobile applications in Kotlin / Java
  • Implement CI/CD
  • Write technical documentation
  • Implement software architectures such as MVC, MVVM, Clean Architecture
  • Perform unit and integration tests to ensure code quality
  • Participate in refactoring, continuous improvement, and code review contributions
  • Deploy on the Play Store

I also place great importance on transparency with my clients.
I send a daily report to my clients at the end of the day on all the tasks I have performed.

Have a project?

**Contact me**:

By email: By phone 06.85.58.44.74
Or directly on the platform.

---
Kotlin, Android App Development, Jetpack Compose, Compose, Kotlin, Android Testing, Android Studio, Android Development, Java, Coroutine, Flow, Android Engineer, Android Developer, Freelance, free-lance, independent, Software Engineer, Computer Application Developer, Mobile Application Developer, Senior Developer, Freelance Software Engineer, Freelance Senior Consultant, Application Developer, Director of Engineering, Software Engineering Manager, Senior Software Engineer, Project Manager Developer, Principal Software Engineer, Tech Lead, Tech Lead Android, Lead Tech Android.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Groupe SEB
    Android Developer
    SOFTWARE PUBLISHING
    September 2023 - June 2025 (1 year and 9 months)
    Lyon, France
    Groupe SEB is the world's number one company in small domestic appliances (revenue of €8.266 billion in 2024).
    The company has over 31,000 employees, 47 industrial sites, 45 brands, and is distributed in over 150 countries.

    I joined the Food team to participate in the evolution of the group's Android applications (MyMoulinex, MyTefal, Krups, WMF, AllClad...).

    The team consisted of:
    • 3 Android developers
    • 3 iOS developers
    • 2 testers
    • 1 product owner
    • 1 lead Android dev (shared between Food and SmartHome teams)

    My responsibilities:
    • Development of the Android mobile application in Kotlin, Java, and Android View, Jetpack Compose.
    • Technical scoping of business needs.
    • Estimation of complexity points for different tasks.
    • Migration from Legacy (Java to Kotlin and Android View to Jetpack Compose)
    • Mentoring other Android developers: pair programming, code reviews.
    • Implementation of Crowdin in multi-modules within the application.
    • Production deployment of the mobile application on the Play Store.

    I contributed to the following evolutions:
    • Implementation of purchasing channels directly within the application
    • 98% crash-free rate
    • Redesign of the main search, view, and recipe sending feature for a product
    • Implementation of the current recipe status player

    Here are the links to the applications I worked on:
    • https://play.google.com/store/apps/details?id=com.groupeseb.moulinex.food&pcampaignid=web_share
    • https://play.google.com/store/apps/details?id=com.groupeseb.tefal.food&pcampaignid=web_share

    Technical context: Android, Kotlin, Kotlin Coroutines, Structured Concurrency, Flow, RxJava, Coil, RealmDB, Jira, Figma, Android Studio, Git, GitHub, GitHub Actions, Bitirise, Maven, Gradle, Android View, Java, Version Catalog, kotlin DSL
    Kotlin Multiplatform Gradle Kotlin DSL Kotlin Coroutines Android Studio Android Development
  • YesItIs
    Mobile Lead Developer
    SOFTWARE PUBLISHING
    April 2020 - September 2023 (3 years and 5 months)
    Clermont-Ferrand, France
    YesItIs, founded in 2016, has been recognized twice with an Innovation Award at CES Las Vegas in 2017 (Creation of the first connected vinyl record) and 2018 (with the design of a connected sensor for intelligent energy management).

    I joined the development team to participate in gathering client needs, transforming them into User Stories, and finally developing mobile applications to meet these needs.

    The team consisted of:
    • 3 mobile developers
    • 2 Web developers
    • 4 low-level developers
    • 2 electronics engineers
    • 1 project manager

    My responsibilities:
    • Development of Android mobile applications in Kotlin.
    • Development of iOS mobile applications in Swift.
    • Development of cross-platform applications in React Native, KMP, and Flutter.
    • Technical scoping of business needs.
    • Estimation of complexity points for different tasks.
    • Mentoring other developers: pair programming, code reviews.
    • Production deployment of mobile applications on the stores.

    Technical context: Android, iOS, Flutter, Swift, Objective-C, Kotlin, RxJava, Coil, Room, Jira, Figma, Android Studio, Git, GitHub, Gitlab CI, Fastlane, Maven, Gradle, Android View, Java
    Kotlin Android Studio Android SDK Android Development Kotlin Coroutines
  • Michelin - DDI
    Android Developer
    SOFTWARE PUBLISHING
    December 2018 - April 2020 (1 year and 4 months)
    Clermont-Ferrand, France
    Michelin, the world leader in tire manufacturing, has always extended its activities by innovating, particularly in areas related to travel and mobility assistance. Founded in 2015, Michelin DDI is a startup, incubated within the group, aiming to develop new services to leverage mobility data potential; DDI stands for Driven Data to Intelligence. Its objective is to "make roads safer" and "save lives," as highlighted by the startup's spokespeople: road accidents claim 1.3 million lives worldwide each year!

    The small team of 4 at the beginning has grown to about fifty employees: data scientists, data analysts, and even a cartographer. They are based at the historic headquarters in Clermont-Ferrand, as well as elsewhere in Europe and the United States, signifying the desire to internationalize their expertise. Finally, the company has a digital expertise center based in India.

    I joined the Android team to participate in the development of new features for the company's white-label application.

    The team consisted of:
    • 2 Android developers
    • iOS developers
    • 2 embedded developers
    • 2 electronics engineers
    • 1 project manager

    My responsibilities:
    • Development of Android mobile applications in Kotlin.
    • Technical scoping of business needs.
    • Estimation of complexity points for different tasks.
    • Mentoring other developers: pair programming, code reviews.
    • Ensuring communication with the group's BLE device.
    • Production deployment of mobile applications on the stores.

    Technical context: Android, Kotlin, RxJava, Coil, RealmDB, Jira, Figma, Android Studio, Git, GitLab, Gitlab CI, Fastlane, Maven, Gradle, Android View, Java
    Kotlin Gradle Kotlin DSL Android Studio Android Development Android SDK

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Education

  • BTS SIO
    Lycée E.Peytavin
    2015
    BTS SIO
  • Professional degree in Computer Science specializing in Mobile Development
    Iut Auvergne
    2016

Skill set

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