Freelancer profile translated to English.
Back to original languageAbout Adrien
React Native Developer, I design reliable, fluid, and launch-ready mobile applications for iOS and Android.
+5 applications published on the App Store and Google Play, including a mental coaching platform that I have been leading as CTO for 3 years.
What I can offer you:
- Mobile application development with React Native
- Technical scoping and prioritization
- Clear project tracking with Notion
- Publication on the App Store and Google Play
- Support in the evolution of your product
My way of working:
1. Analysis of your needs and definition of an action plan
2. Validation of scope, timeline, and priorities
3. Development with regular progress updates
4. Testing, delivery, and production launch on iOS and Android
I place great importance on communication, reliable deliverables, and quality user experience. I work on both MVPs and evolving applications.
Some projects I've worked on:
- Unlock Performance (CTO since 2023): mental coaching app for athletes — complete React Native/Expo/Supabase architecture, +1000 active users
- Blucerchiati: community app for Sampdoria fans — +5000 downloads
- ÜTI: mobile and web financial marketplace — real-time messaging, geolocation
- Sport Mates: connecting people through sports
Do you have a mobile application project?
Send me a message with your needs, and I will quickly respond with initial concrete feedback.
French
Native or bilingual
English
Native or bilingual
Spanish
Native or bilingual
Remote only
Primarily works remotely
Experience
- Unlock performanceCTOHEALTH AND WELLNESSSeptember 2024 - July 2026 (1 year and 10 months)Londres, United KingdomCTO of a mental coaching mobile application for athletesFor 3 years, I have been leading the entire technical side of Unlock Performance: an app that digitizes mental coaching (focus, resilience, performance) designed with sports psychology experts.Results:Application published on the App Store and Google Play, 1000 active users, 12% 30-day retention.My role:
- Complete architecture: React Native / Expo (mobile), Supabase / PostgreSQL (backend), React + Vite (back-office)
- Modular system for coaching programs: sessions, chapters, exercises, routines
- Advanced analytics (Amplitude, Edge Functions) and smart notifications (OneSignal) to maximize engagement
- Monitoring and stability (Sentry), GDPR compliance
- Mentoring the technical team, coordinating product / design / coaches
Stack: React Native, Expo, Supabase, PostgreSQL, TypeScript, Amplitude, OneSignal, Sentry - L'ATOUTLead Mobile Developer — SaaS ApplicationSOFTWARE PUBLISHINGJanuary 2024 - September 2024 (8 months)Lead mobile developer for a React Native / Expo SaaS application — architecture refactoring, payments, and deployment industrialization.Acting as lead mobile developer for L'Atout's SaaS application: improving product quality, adding key features, and ensuring reliable store deployments.My contributions:
- Implementation of a new architecture and complete app refactoring (performance, maintainability)
- Creation and evolution of a design system to unify the UI and accelerate development
- New features: credit card payments, push notifications
- Utilization of microservices APIs
- Setup of continuous integration (CI) and management of App Store / Google Play deployments
Stack: React Native, Expo, TypeScript, CI/CD, App Store / Google Play - BlucerchiatiReact Native & Next.js Developer for Mobile and Web AppENTERTAINMENT AND LEISUREJuly 2023 - November 2023 (5 months)ItalyCommunity mobile application for Sampdoria fansDevelopment of the Blucerchiati startup's engagement app: real-time news, quizzes, polls, and rewards to unite the community.Results:App published on the App Store and Google Play on time, 5000 downloads.My role:
- Multi-provider authentication (Apple, Google, Facebook, email) and interactive onboarding
- Engagement features: quizzes, polls, badges, rewards
- Real-time news feed (RSS + Firebase Realtime Database)
- Push and in-app notifications for retention
- Admin panel: content, user, and reporting management
Stack: React Native, Firebase, push notifications, App Store / Google Play
Reviews
C
Cécile
Adriver
Reviewed on 1/29/2024
Adrien quickly took charge of our mobile application and perfectly fulfilled the mission we entrusted to him. His technical skills allowed him to meet our needs within the agreed timeframe. He invested himself to understand and solve some more complex problems that arose. Adrien was also very available for necessary progress updates. I will call on him again for future missions.
Pierre
SASU Edition Marie Louise
Reviewed on 12/19/2023
We spoke with Adrien as part of a phone consulting session. The discussions were very interesting.
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Education
- Computer Software Engineering42 The Network2022Computer Software Engineering
- Computer Software Engineering192021Computer Software Engineering