Freelancer profile translated to English.
Back to original languageAbout Jérémy
🚀 Mobile Developer React Native | Expo | iOS & Android — 80+ successful missions
Looking for a reliable and high-performing mobile application on iOS and Android? I help startups and scale-ups design, build, and scale with React Native, Expo, React.js, and TypeScript. Over 10 years of experience, React Native since its release in 2015.
What I do for you
- Create your mobile application from scratch: from startup MVP to production on the App Store and Google Play.
- Take over, audit, and stabilize an existing React Native application: performance, architecture, technical debt.
- Migrate your native iOS/Android application to React Native / Expo.
- Develop your native SDKs and bridges (Swift, Kotlin) integrated with React Native.
- Train your teams and support your transition to React Native (I've been teaching it since 2015).
- CTO as a service: architecture, technical choices, recruitment, team structuring, fundraising.
References
- Mistral: Native Swift/Kotlin modules and key mobile app features.
- Betclic Group: Development of the Betclic TV application in React Native.
- Cookomix: Recipe application in React Native, +100,000 users per month.
- Snoop Media: CTO, technical architecture, Nest.js back-end, React Native applications.
Stack
Mobile: React Native, Expo, TypeScript
Web: React.js, Next.js
Back-end: Nest.js, Node.js, Prisma, Firebase · Native: Swift, Kotlin
Method: Agile, TDD, CI/CD
Ready to launch or improve your mobile application? Contact me, I respond in under an hour.
English
Fluent
French
Native or bilingual
Can work on-site
Paris (up to 50km), Bordeaux (up to 50km), Lyon (up to 50km), Lille (up to 50km), Marseille (up to 50km)
Experience
- MWMReact Native DeveloperSOFTWARE PUBLISHINGMay 2026 - Today (3 months)Paris, FranceDesign and development of a React Native SDK to unify the integration of MWM's native iOS and Android SDKs. Implementation of a cross-platform abstraction layer to connect Publishing and Advertising SDKs, simplify their use on the React Native side, and ensure reliable integration on both platforms.
- Odisei Music S.L.React Native DeveloperE-COMMERCEMay 2026 - Today (3 months)Bordeaux, FranceIntervened as a React Native expert on mobile application performance optimization, with a particular focus on Android. Improved front-end architecture, refactored component breakdown using an atomic approach, and implemented best practices to enhance maintainability, readability, and codebase scalability.
- EpsorReact Native DeveloperBANKING AND INSURANCEAugust 2025 - May 2026 (9 months)Paris, FranceDesign and development of a web/mobile monorepo architecture, including a Next.js web application and an Expo / React Native mobile application. Implementation of a shared technical foundation for reusing components, business logic, types, and development tools across platforms.
Reviews
Recommendations
+1
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Education
- Computer Science Engineering DegreeEpitech2016
- Computer ScienceCalifornia State University San Marcos2015
Certifications
- Self-TaughtA certification that is constantly evolving, I certify my skills a little more each day.