David Fournier — Senior lead developer, Flutter, iOS, Android

David
Fournier

Eleven years in mobile, six of them shipping Flutter to production. Over six million downloads across apps delivered for franceinfo, LCI, Hager and my own products. Auditor of TotalEnergies' apps, former CTO of a team of fifteen devs.

Freelance through I.P.Apps · fully remote, hybrid possible in Paris or Lyon.

Own products · 2015 – present

Stolanapp

Co-founder and developer

A suite of ten iOS and Android apps, profitable and continuously maintained for eleven years. Stack and technical choices all mine.

6M+ installs · 60,000 ratings

Flutter
Bloc / Cubit
Fastlane
Firebase

Consumer app · since 2021

Juduku

End-to-end design and development

From the first line of code to release and follow-up. Still growing, distributed internationally as DAFUQ.

1M+ downloads · 4.9/5 from 19,400 reviews

iOS
Android

France Télévisions · 2024

franceinfo

Collect'or, Olympic and Paralympic Games

A Flutter module embedded in franceinfo's native iOS and Android apps: a team-building game open for the entire duration of the Games.

Up to 10,000 concurrent users

Flutter
Add-to-app

Audit · 2023 – 2024

TotalEnergies

Auditor of the Electricity & Gas apps

Technical and security audit of the Android and iOS apps: architecture, dependencies, release cycle. Severity-rated report and debrief with the teams.

OWASP Mobile Top 10
Android
iOS

Online gaming · 2023 – 2025

Winerz

Sole mobile developer

Took over a pre-v1 codebase, shipped v1, then owned the iOS and Android apps end to end for two years.

Unity engine embedded in Flutter

Flutter
Unity

Connected device · 2020 – 2021

Hager

Power Touch, Android & BLE developer

An app controlling a connected circuit breaker over Bluetooth Low Energy, with a code generator that turns the BLE specification into a typed client.

Android
BLE

David
Fournier