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Quentin Gallois De CarbonnelQG

Quentin Gallois De Carbonnel

Lead Mobile Dev | Flutter & AI Integration

$450/day
Dubai, AE
8-15 years

Average response time: 1 hour

About Quentin

Stop scrolling, you found your mobile expert.
Need a mobile application that doesn't just look good, but scales flawlessly and performs like a native app?

I am a Senior Mobile Engineer and Tech Lead with over 10 years of deep experience in the mobile ecosystem (iOS & Android). For the last 5+ years, I have been exclusively dedicated to mastering Flutter and Dart, helping startups and scale-ups build robust, cross-platform architectures that cut development time in half without sacrificing performance.

🚀 What I bring to your project
I don't just clear Jira tickets; I partner with your product team to build long-term technical solutions. My approach focuses on:

Scalable Architecture: Designing clean, maintainable codebases that your team can easily build upon for years to come.
Performance Obsession: Delivering buttery-smooth 60fps UI/UX that keeps user retention high.
Next-Gen Integration: Actively blending modern AI and LLM capabilities into mobile interfaces to give your product a cutting-edge advantage in the market.
Technical Leadership: Mentoring junior developers, setting up rigorous CI/CD pipelines, and enforcing strict code quality standards.

💻 My Core Technical Stack

Mobile: Flutter, Dart, Native iOS, Native Android
Architecture: Clean Architecture, BLoC, Provider, Riverpod
Ecosystem: Firebase, REST APIs, GraphQL, CI/CD (Fastlane, GitHub Actions)
Innovation: Prompt Engineering, API integration for LLMs / AI tools

🌍 How I work

I operate fully remotely, bridging European and global timezones seamlessly. I pride myself on asynchronous efficiency, daily transparent updates, and treating your product's success as my own.

Let’s talk about your next big feature. Send me a message detailing your current technical bottlenecks, and I will get back to you within the hour with a concrete action plan!
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Talabat
    Senior Mobile Engineer — FinTech
    RESTAURANTS AND FOOD SERVICE
    March 2021 - Today (5 years and 3 months)
    Dubai, United Arab Emirates
    • • Led checkout architecture handling €7B annually
    • • Designed and implemented 10+ payment methods (Apple Pay, BNPL, cards, local wallets)
    • • Achieved 100% test coverage with automated UI, unit, and integration tests
    • • Led Flutter migration of 500k+ LOC codebase while maintaining zero downtime €7B annual GMV processed with 99.99% uptime 10+ payment methods supported across multiple countries 100% test coverage achieved through automated testing pipelines
    Flutter IT Architecture iOS Project Management AI Automation
  • Talabat
    Engineering Manager
    RESTAURANTS AND FOOD SERVICE
    January 2020 - January 2021 (1 year)
    Dubai, United Arab Emirates
    • • Led engineering team building Expo 2020 delivery system
    • • Created Expo-specific user experience in Talabat app
    • • Built multiple operational apps (order tracking, bag scanning, inventory)
    • • Designed real-time coordination between kitchens, riders, and stations
    1 M€ revenue generated in 6 months 50,000+ orders processed successfully Coordinated 3 kitchens and 9 pickup stations
    Flutter Tech Lead Project Management External API integration
  • FDJ
    Senior iOS Engineer
    September 2020 - February 2021 (5 months)
    Paris, France
    Architected and scaled the core iOS experience for a leading French sports betting app, serving 1.5M monthly active users. My primary focus was ensuring rock-solid stability and sub-second performance during peak global sporting events.

    Tech Stack: Swift 5 & Kotlin Multiplatform (KMP) integration for shared business logic.

    Performance: Optimized real-time data handling to maintain zero-latency during high-traffic surges.

    Reliability: Implemented a comprehensive unit test suite to guarantee 99.9% crash-free sessions.
    iOS Testing and Quality Assurance Kotlin

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Education

  • Windows Server 2012 Certifications
    Ahlia University
    2015
    Windows Server 2012 Certifications
  • Expert in Computing and Innovation Technology
    EPITECH
    2016
    Expert in Computing and Innovation Technology

Skill set

Categories