Freelancer profile translated to English.
Back to original languageAbout Florent
Mobile developer Flutter / React Native (+6 years of experience)
Simple, reliable mobile applications adapted to the needs of small businesses
I help VSEs and SMEs design and develop useful and scalable mobile applications, without over-complication, always starting from the real needs of their business.
My goal: to deliver in the right way, with applications that are secure, easy to maintain, and evolve over time.
- Creation of Android and iOS mobile applications from a single codebase (Flutter / React Native)
- Transformation of a business need into a clear and effective mobile solution
- Taking over, improving, or stabilizing existing applications
- Educational technical support, with simple exchanges without jargon
French
Native or bilingual
English
Fluent
Can work on-site
Montpellier (up to 30km)
Experience
- KynoaFlutter Mobile DeveloperCIVIL ENGINEERINGMay 2025 - March 2026 (10 months)Montpellier, FranceContext**& Challenges**Creation from scratch of a cross-platform mobile application (iOS & Android), for a startup specializing in construction site management and field tracking (SME in the construction industry). The company had previously relied on paper processes and Excel spreadsheets, leading to data entry errors, invoicing delays, and a lack of real-time visibility for project managers.Strategic**Responsibilities**Design and develop the complete application as a Flutter mobile developer, from technical architecture to store deployment, in direct communication with the CEO and field users to ensure maximum adoption from launch.Final**Results**
- Design of the Flutter architecture and setup of the project from scratch.
- Development of key modules: real-time team clock-in/out, work order management, geo-located photo gallery, and PDF report generation.
- Integration of offline-first synchronization via local SQLite + REST API sync, enabling use without a connection on construction sites.
- Publication and deployment on the App Store and Google Play Store with certificate management and CI/CD pipelines (GitHub Actions).
- Reduction in administrative data entry time estimated at -65% according to user feedback one month after launch.
- App adoption by 90% of field teams within three weeks of deployment.
- Ministère des Outre-merBackend DeveloperApril 2024 - April 2025 (1 year)Context & ChallengesRefactoring and migration of theLADOMplatform to modernize an obsolete architecture and reduce server infrastructure costs.Strategic ResponsibilitiesEnsure, as a backend developer, the functional and technical consistency of the refactoring of business modules, in close collaboration with business teams and the QA team.Final Results
- Design and optimization of databases.
- Improvement of backend performance for a user base of several hundred thousand.
- Implementation, development, and automation of tests, achieving a coverage rate of over 80%.
- Project management using agile methodology via Jira.
- Continuous communication with QA teams to ensure the quality and compliance of deliverables.
- 2C CONSEILFullstack DeveloperDIGITAL AND ITApril 2022 - April 2024 (2 years)Context & Challenges
- Development of VOIP services for the **Ministry of the Interior**, providing an operational and secure call center.
- Development of a transport and moving application (React Native)
- Development of an automated testing platform in React, intended to allow our clients to test their applications with their own datasets.
- Complete development ofautomated testsfor tootbus.com and the Tootbus mobile application for the **RATP**.
Strategic ResponsibilitiesDevelop, as a fullstack developer, VOIP services connected to several **APIs**, including an automated ticketing system.Develop a complete SaaS platform, from specifications to production, allowing our startup's clients to test their own applications.Collaborate withRATPon the implementation of automated tests, understanding their needs and testing the entire user cycle of their platform and application (ticket booking and payments).Final Results- Development of web and mobile applications (React, React Native) and backend.
- Deployment, management, and maintenance of cloud infrastructures (AWS, OVH)
- Design and development of complete backend projects
- Creation of an automated testing SaaS platform (Selenium & Appium)
- Mentoring and training of junior developers
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Education
- Data AI DeveloperMicrosoft2020