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Virgile FantauzziVF

Virgile Fantauzzi

Senior Android Developer – Kotlin Compose & React Native

€550/day
21 projects
Nice, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Virgile

🚀 Welcome to my Malt profile!

Graduated engineer and passionate mobile developer, I have been designing high-performance, scalable, and production-ready Android applications for over 7 years — natively (Kotlin/Java) or hybrid (React Native).

I work on everything from rapid MVPs to robust architectures used by millions of users, notably at Lydia and Amadeus.


✅ What I offer:
• Technical consulting & scoping: stack choices, architecture, performance, mobile AI.
• Native Android development (Kotlin/Java) or cross-platform (React Native).
• App store publishing: Google Play, App Store (via Expo or native builds).
• Mentoring & technical support: team training, code reviews, skill development.


🛠️ Stack & specializations:
• Kotlin / Jetpack Compose / MVVM / Coroutines / Flow
• Firebase / Supabase / AI integration (OpenAI API, RAG, etc.)
• React Native (Expo or bare workflow)
• Mobile CI/CD (Bitrise, GitHub Actions), mobile security, clean architecture


🎯 Ideal client profiles:
• Startups looking to quickly launch a solid app
• Companies seeking a senior Android expert capable of guiding and delivering
• Product teams wanting to integrate AI into their mobile app


🎓 Education & references:
• CTI graduate from Polytech Nice Sophia
• Android & React Mentor at OpenClassrooms since 2018
• Technical Referent for Android at OC
• Senior Android Developer at Lydia
• Software Architect at Amadeus


📱 Notable achievements:
• ⚙️ Proof of Blockchain App — Kotlin
• 🎥 Cinema Streaming Android App — Kotlin
• 🌍 International Payment App
• 🎙️ Eeko Podcasts — Native Android
• 🧬 Health & Wellness: cross-platform app for Espace du Souffle
. 🐮 Predimilk: cross-platform app
• 📍 DiscoverMap – France market launch
. 💰 Sumeria - Native Android
Available for your demanding projects. Let's discuss your goals!
👉 Contact me via Malt.
  • English

    Fluent

  • Italian

    Fluent

  • Japanese

    Basic

  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Lydia Solutions
    Senior Android Developer
    BANKING AND INSURANCE
    October 2023 - Today (2 years and 9 months)
    Paris, France
    Key contributor to the evolution of Lydia's Android app, used by millions of users.
    I work on critical payment-related features, with a strong focus on security, performance, and stability.

    My responsibilities:
    • Implementation of new features in Kotlin + Jetpack Compose
    • Refactoring legacy code to modern architectures (MVI, StateFlow)
    • Optimization of UI/UX performance and technical scalability
    • Integration with secure backend services (REST, IAM, monitoring)

    I also participate in the continuous improvement of the internal design system and the skill development of the team.
    Android Android Studio Android Jetpack Jetpack Compose Clean Architecture
  • AMADEUS
    Software Architect
    TRAVEL AND TOURISM
    August 2020 - October 2023 (3 years and 2 months)
    Biot, France
    Design and development of high-load backend systems, handling several million requests per second for airlines.

    Responsibilities:
    • Architecture and redesign of critical services (Java, Spring)
    • Performance, scalability, and resilience-oriented design
    • Technical supervision of developers and validation of architectural choices
    • Cross-functional collaboration with development, testing, integration, and DevOps teams
    IS Architecture Kubernetes Helm Cloud computing
  • Openclassrooms
    Development Mentor
    EDUCATION AND E-LEARNING
    December 2018 - Today (7 years and 7 months)
    Paris, France
    Personalized support for students in Android and React development.
    Project reviews, technical coaching, and updates on modern best practices (Clean Architecture, testing, CI/CD).

    Roles:
    • Android, React & Node Mentor
    • Technical Referent for the Android track
    • Trainer on Compose, Firebase, MVVM, and backend integration
    Android React.js Node.js Clean Architecture

Reviews

5.0

Out of 14 ratings

SimonS

Simon

CareCare SAS

Reviewed on 11/18/2025

Virgile was extremely responsive, fast, and relevant for our needs. He adapted to the project constraints, and it's a pleasure to collaborate with him. I highly recommend him!
D

Didier

La Preuve Numérique

Reviewed on 5/22/2023

Fast and efficient, he quickly understands the expressed needs, total autonomy.

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Education

  • Computer Science Bachelor's Degree
    Université Claude Bernard Lyon 1
    2018
  • Computer Engineering Studies
    Ecole polytechnique universitaire de Nice
    2021
    Architecture logicielle

Skill set

Categories