Freelancer profile translated to English.

Description

Native Mobile Developer | Android | iOS | Kotlin Multiplatform | Compose (6 years of experience) 🚀

I designmodern**, **performant**, and **easily maintainable**Android** andiOSapplications.

I am anAndroid&Kotlin Multiplatformdeveloper with over8 years of experience**, notably as **Android Tech LeadatFortuneo(online bank >1M users).

I assist startups and companies in **creating, redesigning, or optimizing mobile applications**, with a focus on performance, maintainability, and user experience.

My expertise:

*Native Android Development(**Kotlin**, **Jetpack Compose**, **MVVM**, **Clean Architecture**)

*Kotlin Multiplatform/Compose Multiplatform(a single codebase for Android + iOS)

*Redesign and optimization of existing applications

*CI/CD & automation(GitHub Actions, Firebase, RevenueCat)

**Technical support**: code audit, architecture, developer mentoring

Examples of achievements:

*Fortuneo**: implementation of **Jetpack Compose**, **Clean Architecture**, **CI/CD**; **supervisionof the Android team

*Sport Track Merger(side project):Android&iOSapp for Strava inKotlin Multiplatform→ +5000 users in +50 countries within the first few months

*Beside Me**: consulting mission to finalize a social app in **Kotlin Multiplatform(code audit, SDK integration, RevenueCat)

Technical Stack: Kotlin, Jetpack Compose, Kotlin Multiplatform, Compose Multiplatform, Ktor, Firebase, SQLDelight, Koin, RevenueCat, GitHub Actions, Room

📩 Need an Android or KMP Multiplatform Developer for your project?

Contact me, I respond within 24 hours and will be delighted to discuss your needs.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Brest (up to 50km), Paris (up to 50km), Rennes (up to 50km), Nantes (up to 50km), Lille (up to 50km)

Sport Track Merger (iOS & Android)
Founder & Mobile Developer | Android | iOS | Kotlin Multiplatform
SPORTS
September 2022 - Today (3 years and 9 months)
Brest, France
→ Mission Objective:
Create anAndroidandiOSmobile application for Strava to merge, combine, and duplicate sports activities.

→ Achievements:
Complete product design: UX/UI,mobile developmentinKotlin Multiplatform&Compose Multiplatform
Implementation of the freemium model withRevenueCat
Advanced analytics viaFirebase& automation of review tracking
Completeautomationof builds and deployments withGitHub Actions

→ Results:
5000 active users in +50 countries in a few months

→ Technical Stack:

**Kotlin Multiplatform**, **Compose Multiplatform**, **Android**, **iOS**, Ktor, Firebase, SQLDelight, Koin, RevenueCat, GitHub Actions
Mobile Development Kotlin Multiplatform Compose Multiplatform Strava Firebase
Beside Me
Mobile Technical Consultant | Kotlin Multiplatform | Android | iOS
SOCIAL NETWORKS
March 2025 - March 2025
Paris, France
→ Mission Objective:
Secure the launch of a social app before its official release.

→ Achievements:
Completetechnical auditof theiOSandAndroid Kotlin Multiplatformapp (code quality, structure, architecture)
Assistance with integrating theSendBirdSDK oniOS
Strategic advice for integratingRevenueCat(promo codes & subscription management)

→ Technical Stack:
Kotlin**, **Kotlin Multiplatform**, **iOS**, **Android**, **RevenueCat**, **SendBird
Kotlin Multiplatform Android Development iOS Development Compose Multiplatform RevenueCat
Fortuneo
Android Technical Lead | Kotlin | Android | Jetpack Compose
BANKING AND INSURANCE
October 2018 - February 2025 (6 years and 4 months)
Brest, France
→ Mission Objective:
Modernize and maintain theFortuneo mobile application(>1M users) while ensuringqualityand **scalability**.

→ Achievements:
Integration of theJetpack Composetoolkit into the Fortuneo app
Development of aUI componentslibrary to standardize the interface
Implementation ofClean Architectureto improve maintainability
*Recruitment**, **training**, and **mentoringof newAndroiddevelopers
Active participation in product evolution and application maintenance

→ Technical Stack:

**Kotlin**, **Android**, Jetpack Compose, Gitflow, Clean Architecture, CI/CD
Android Development Android Kotlin Gitlab CI/CD Android Jetpack

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Signup to reveal

Master, Computer Science
University of South Brittany
2018
Master, Informatique
Bachelor's Degree, Computer Engineering
University of South Brittany
2016
Licence, Ingénierie informatique

Check out Victorien's education

Mobile Developer

Victorien Bily

Android Developer | Kotlin KMP | Jetpack Compose

About Victorien

Native Mobile Developer | Android | iOS | Kotlin Multiplatform | Compose (6 years of experience) 🚀

📩 Need an Android or KMP Multiplatform Developer for your project?

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