Freelancer profile translated to English.
Back to original languageAbout Baptiste
More than a developer: aCTOwho transformsyour ideainto an application that runs in **production**.
FreelanceFlutter, mobile & fullstackdeveloper since 2020, engineer by training. I design and developiOS & Android (and web/desktop)mobile applications from a singleFlutter / Dartcodebase, then I cover the entire chain up to the backend and deployment.
My stack:
📱 Mobile — Flutter, Dart, iOS, Android, web, desktop
⚙️ Fullstack — Supabase, PostgreSQL, Next.js, React, TypeScript, REST API
🐳 Infrastructure & DevOps — Docker, self-hosting, CI/CD, end-to-end data control
🔒GDPRby design — security and compliance from the start
I have supported startups & scale-ups as lead developer / CTO, in France and internationally:
🏥 Health — May, Yakadir
🌍 International — Meowtel (San Francisco)
🏢 Large group — Capgemini, EdenRed
Several of these mobile applications are available on the App Store & the Play Store.
Let's talk about your project: describe your needs in a few lines, I will respond within 24 hours with a concrete initial vision.
🌍 Available for international & remote projects. Freelance CTO & Flutter / fullstack developer — let's build your mobile app and product, end to end.
French
Native or bilingual
English
Native or bilingual
Spanish
Conversational
Remote only
Primarily works remotely
Experience
- LEXAROCo-founder & CTOLEGALNovember 2024 - Today (1 year and 9 months)Grenoble, France**Co-founder and CTO of LEXARO**, a SaaS platform (marketplace) that digitizeslawyer substitutions: court appearances, pleadings, deliberations, postulations, and payments between colleagues.I designed, architected, and developed the entire product **from A to Z**, and Ilead the technical vision and scaling:*Flutter Mobile App(iOS, Android, Web): auth, marketplace, end-to-end encrypted chat (E2EE), push notifications (FCM), integrated payments.
- **Supabase / PostgreSQL Backend**: +450 migrations, 70+ Deno Edge Functions,
*Stripe PaymentsConnect (connected accounts, fees, refunds, webhooks).- **Next.js / React / TypeScript Backoffice & Landing Page**.
- **Self-hosted sovereign infrastructure**: Docker, OVH VPS, monitoring stack (Prometheus, Grafana, Loki, Alertmanager), GitHub Actions CI/CD.
- MayReact Native Mobile DeveloperHEALTH AND WELLNESSOctober 2024 - December 2024 (2 months)Paris, FranceMay is one of the leading mobile apps for **(expecting) parents**. Several collaborations on their React Native app.
- Implementation of A/B tests to analyze and increase conversion rates to premium subscription.
- Development of the flow for a "Sleep" program sold within the app.
- Development of features on the React Native mobile app (iOS/Android).
- L'Agence BriocheFullstack DeveloperHEALTH AND WELLNESSMay 2024 - October 2024 (5 months)Paris, FranceDevelopment of version 2 of the Brioche Agency's Flutter mobile application:new features, push notifications, and UX improvements.I also evolved the Go backend and the Next.js backoffice, then ensuredthe deployment of the whole system on a VPS with Docker, from environment setup to production.
Reviews
Julia
L'agence Brioche
Reviewed on 2/1/2025
Great! Thank you Baptiste.
Julia
L'agence Brioche
Reviewed on 12/5/2024
Thank you Baptiste for your seriousness, your availability in the realization of my application, as well as the follow-up! I recommend.
Recommendations
NS
+9
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Education
- Engineer in Electronics, Connected Objects, and Embedded SystemsGrenoble INP PHELMA - ENSIMAG2021- Physique - Electronique - Systèmes embarqués et programmation
- University Diploma in Technology in Electrical Engineering and Industrial ComputingIUT 1 Grenoble2018- Systèmes embarqués et programmation - Électronique