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Erick GhaumezEG

Erick Ghaumez

Senior Flutter Developer - Dart

€650/day
Lyon, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Erick

With **25 years of experience in software design, development, and architecture**, I assist companies (from startups to large corporations, including public organizations) in their web and mobile application projects.

My goal is not just to deliver code, but to **create robust solutions, improve user experience, and upskill your technical teams**.

My Expertise:
  • **Flutter & Dart (since 2017)**: Solid and scalable architectures, complex graphical interfaces, animations, and full-stack Dart development.
  • **Architecture & Mentoring**: Code audits, implementation of best practices, and continuous training of developer teams.
Recent Missions & Achievements:
  • **Clauger (Industry)**: Complete refactoring of the Flutter application. Definition of the architecture, development of a "Server-driven forms" solution, and support for the Front-end team towards autonomy.
  • **General Directorate of Civil Aviation (DGAC)**: Full stack (Flutter / Dart) design and development of a critical public procurement management application.
  • **Open Source**: Notably contribution to the Sentry SDK for Dart and Flutter [Github Link: github.com/rxlabz].
  • **Training**: Expert trainer in Flutter, Dart, and Rive (in partnership with Human Coders, AmbientIT, etc.). Previously certified trainer for Adobe Flex/Angular.

Whether you need to launch a new project or unblock a team on complex technical challenges in Flutter, I bring you a strategic and operational technical vision.

Do you have an application project or a training need? Let's discuss it!
  • English

    Fluent

  • French

    Native or bilingual

  • Russian

    Basic

Can work on-site
Lyon (up to 10km)

Experience

  • Clauger
    Lead Mobile Developer | Flutter - Dart
    MECHANICAL ENGINEERING
    May 2023 - Today (3 years and 1 month)
    Lyon, France
    Audit, recovery, and scaling of the mobile application (Flutter) in a complex industrial context.

    • "**Technical Turnaround**" Strategy: Unblocking a project with critical technical debt (QA blockers, recurring bugs). Definition of a progressive refactoring strategy (removal of GetX and implementation of MVVM/Provider/GoRouter) without production freeze.
    • **R&D**: Design and development of a dynamic forms engine (Server-Driven UI) to unify the Web portal (Angular) and the Flutter mobile application.
    • **Multi-platform Expansion**: Adaptation of the engine for responsive deployment on Windows (Microsoft Store), ensuring a unified experience on mobile, tablet, and desktop.
    Flutter User Interface Design software-architecture Dart Angular
  • Direction Générale de l'Aviation Civile
    Lead Product Engineer | Flutter - Dart
    PUBLIC SECTOR
    April 2022 - May 2023 (1 year and 1 month)
    Lyon, France
    Assistance in the design, development, and deployment of acritical public procurement management platform(replacement of a legacy IBM solution).

    • **Product Strategy**: Implementation of a "Frontend-First" approach (interactive prototype without data persistence) to validate all complex business rules with the finance department. Result: immediate alignment of needs and drastic reduction in corrective iterations.
    • **Product Design & UX**: Translation of a dense administrative specification into an intuitive user interface. Facilitation of workshops with the finance department and IT to arbitrate functionalities and validate workflows.
    • **Architecture & Delivery**: Full-stack design (Flutter/Dart) and collaboration with IT for data modeling and historical data migration.
    • **Lifecycle & Evolution**: Management of version 1.1 one year after initial deployment (implementation of complete action traceability and automation of maintenance processes).
    Flutter Fullstack Dart User Interface Design Product Development
  • RX Labz
    Lead Developer & Trainer Flutter, Dart and Rive
    DIGITAL AND IT
    April 2012 - Today (14 years and 2 months)
    Lyon, France
    I assist all types of companies and organizations in the creation of web and mobile applications, from the design phase to deployment, including team training.
    • Trainer Flutter, Dart and Rive @ HumanCoders, ESGI, Retengr & AmbientIT...
    • Clients: Sentry.io, Michelin, EDF, Simplon, M6web,...
    *Open-sourcedevelopment: see github.com/rxlabz
    • **MatchouPitchou.com**: Design and development of educational games
    • **apprendre-flutter.dev**: In-company Flutter / Dart training, on-site or remote
    Flutter Dart Back-End Development User Experience Design Google cloud

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Education

  • DESS Multimedia
    Université Lyon 2
    2004
    Développement ActionScript, Java, PHP, web, ergonomie, animation 3D...

Certifications

  • Certified Adobe Flex Instructor
    Adobe
    2008
    Adobe Flex

Skill set

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