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Damien BelardDB

Damien Belard

Android Developer | KMP

€550/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Damien

About me:

Passionate about the mobile world with 10 years of experience in Android application development, I support companies in the design, redesign, and optimization of their native applications.

Throughout my career, I have alternated betweenSenior Developerand Tech Lead roles, working for large accounts (Accor, FDJ, BlaBlaCar) as well as scale-ups (Weenect, Leetchi).

I specialize in creating robust and maintainable architectures, promoting code quality and user experience.

What I can do for you:

  • Native Android Development: Creating complete applications "from scratch" or developing complex new features.
  • Redesign & Modernization: Migrating Legacy code (Java/Room) to modern stacks (Kotlin/Apollo) and complete application rewrites.
  • Architecture & Quality: Implementing Clean Architecture, MVVM, and Dependency Injection (Hilt/Dagger 2) to ensure scalability.
  • Modern UI Integration: Expertise in Jetpack Compose and creating Design Systems.
  • Processes & Automation: Implementing CI/CD pipelines (Bitrise, Google Play Store) and automated testing strategies (JUnit 5, Mockito, Kaspresso).

My Technical Stack:

  • Languages: Kotlin (Expert), Java.
  • UI: Jetpack Compose, XML/ConstraintLayout.
  • Architecture: Clean Architecture, MVVM, Coroutines/Flow.
  • Data & Network: Room, Retrofit 2, GraphQL (Apollo), SQLCipher.

Tools:
Git, Android Studio, CI/CD, Jira/Confluence.


Why work with me?

Beyond the code, I bring a product vision and the ability to technically lead projects. I have experience managing mobile teams (iOS + Android) and collaborating closely with Design and Product teams.

Available to discuss your mobile development or redesign projects.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Accor
    Senior Android Developer
    HOSPITALITY
    February 2024 - Today (2 years and 6 months)
    Issy-les-Moulineaux, France
    Active developer within the Convert team (responsible for the booking funnel) and then within the Stay team (responsible for the in-stay experience)
    Android Clean Architecture Jetpack Compose GraphQL Kotlin
  • Française des Jeux
    Senior Android Developer
    ENTERTAINMENT AND LEISURE
    May 2023 - Today (3 years and 2 months)
    Boulogne-Billancourt, France
    Development of the FDj Android application within the Astro team
    Kotlin MVVM Dagger2 Room Clean Architecture
  • Weenect
    Mobile Tech Lead
    INTERNET OF THINGS (IOT)
    January 2022 - May 2023 (1 year and 4 months)
    Paris, France
    Tech Lead of the mobile team, I assumed the following responsibilities:

    - Management of the mobile team (3 devs)
    - Implementation of CI (automation, tests, deployment, etc.)
    - Scrum master
    - Complete rewrite of the Android application

Recommendations

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Former user and 1 other person have recommended Damien

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Education

  • Bachelor in Mobile Application Engineering
    ESGI
    2014
  • Master in Mobility and IoT
    ESGI
    2016

Skill set (42)

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