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Léo-Paul JulieLJ

Léo-Paul Julie

Senior Flutter Developer

€670/day
Compiègne, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Léo-Paul

I am a mobile developer specializing in cross-platform mobile application development. Here is a chronological overview of my professional journey:

Professional Experiences:

Between 2015 - 2019:
Mobile Developer in permanent contract, Xamarin Native missions for several clients.

Notable clients:
- SeLoger
- Fayat
- Aguttes
- Vinci
- SPEIG
- Edenred

Key skills:
- Xamarin Native (iOS/Android)
- Complete mobile application design
- Deployment on iOS and Android stores

______

Since 2019:
Freelance Mobile Developer specializing in Xamarin Native, Flutter, and React Native.

Notable clients:
- Edenred
- SNCF Connect
- Renault Digital

Key skills:
- Flutter
- Complete mobile application design
- Deployment on iOS and Android stores
- Xamarin Native (iOS/Android)

______

Since 2023:
Creation of the first brand of my company, a SaaS for French artisans.

Key skills:
- React / Typescript
- Node.js / Typescript
- TailwindCSS
- Google Cloud Platform
- Figma
- PostgreSQL
- Flutter
- Complete mobile application design
- Deployment on iOS and Android stores
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Compiègne (up to 10km), Paris (up to 10km)

Experience

  • Renault Digital
    Senior Flutter Developer
    AUTOMOBILE
    March 2025 - Today (1 year and 3 months)
    Boulogne-Billancourt, France
    Building the new Renault electric vehicle application from scratch in a squad team.
    Flutter Dart Firebase
  • SNCF Connect
    Flutter Developer
    TRANSPORTATION
    July 2022 - March 2025 (2 years and 7 months)
    Puteaux, France
    Flutter Mobile Developer for the SNCF Connect application, focusing on Search, Quotes, and Long-distance ticket basket.
    Flutter Dart
  • Edenred France
    Mobile Developer
    RESTAURANTS AND FOOD SERVICE
    January 2019 - July 2022 (3 years and 6 months)
    Malakoff, France
    At Edenred, I held the position of Xamarin/Flutter Mobile Developer for the MyEdenred application. During this period, I performed the following tasks: design, development, writing tests, as well as building the deployment pipeline and deploying production versions.

    Key achievements:

    Design and development:

    - I actively participated in defining technical specifications in collaboration with the product team.
    - I designed and developed mobile features using best development practices, ensuring an optimal user experience and high performance.


    Tests:

    - I wrote and executed unit, functional, and performance tests to ensure code quality.
    - I identified and resolved various bugs and performance issues, contributing to the application's stability.
    - I participated in test automation to improve the efficiency and reliability of validation processes.


    Building the deployment pipeline:

    - I set up and maintained an efficient CI/CD pipeline to automate build, test, and deployment processes.



    Deployment of production versions:

    - I planned and executed deployments of new versions to production, ensuring a smooth and uninterrupted transition for users.
    - I participated in post-deployment maintenance and support, thus ensuring the proper functioning of the application and user satisfaction.
    Flutter Xamarin Android iOS DevOps

Recommendations

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Nicolas R. and 2 other people have recommended Léo-Paul

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Education

  • Manager in Computer Engineering
    ITESCIA
    2015
  • BTS in Computer Science and Networks for Industry and Technical Services
    Lycée Louis Jouvet
    2012

Skill set

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