Freelancer profile translated to English.

Description

FullStack Developer, React.js, Next.js | AI Trainer ✨

You have a product to build, an MVP to launch, or a business tool to secure, and you're looking for someone who understands your needs before coding?

Before writing the first line, we have a product scoping workshop. We align the vision, define the scope, and anticipate real roadblocks.

You share your business objective with me, I choose the appropriate architecture: native code or no-code depending on the context, and I leverage the right automation levers so that your product generates traffic, leads, and revenue.

What I have delivered concretely:

DentalIAssist · CTO:AI platform for dental practices in a regulated environmentHDS**. **React.js**, **Next.js,**Prisma**, integrated CRM. **Innovation Prize QBO 2025**.
Internal training onAI (Claude, LLM, etc.)
Fibi · Co-founder (exit):B2B QVT platform: weak signal detection and bullying prevention.Bubble.io, WeWeb.
Le Pastel (Bib Gourmand Michelin):Complete web application: showcase, reservations, table management, order forms, and newsletter. **React.js, Next.js**.
La Française des Jeux:Development of an internal tool.React.js, Next.js.
CheckEasy:SaaS for lease management with AI detection.Bubble.io.
Multiple showcase websites(Board game, stone sculptor, hairdresser..)

I also work as ateacher(**Scrum project management, no-code, pricing**) and **jury member**, which forces me to remain rigorous on the fundamentals that many client projects overlook.

Do you have a project in mind? Contact me with your situation in 3 lines, I will respond with an initial analysis of your needs.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Marseille (up to 50km), Toulon (up to 50km), Lyon (up to 50km), Paris (up to 50km)

Le Pastel - Restaurant Toulon
Complete application development
RESTAURANTS AND FOOD SERVICE
January 2026 - March 2026 (2 months)
Toulon, France
→ Objective: Centralize all restaurant operations in a single custom application. **Michelin**.

→ Achievements: Showcase, online reservations with table management, automated gift vouchers, dynamic menus with one-click printing and automatic translation, quote generation, newsletter, internal messaging, real-time notifications, schedule management, and AI integration.

→ Stack:React.js, Next.js.
Next.js React.js Content Integration Full-Stack Development Artificial Intelligence
DentalIAssist
CTO DentalIAssist
HEALTH AND WELLNESS
March 2025 - Today (1 year and 3 months)
Marseille, France
→ Objective: Design and develop an AISaaS platformfor dental practices from scratch to production in aregulated healthcare environment.

→ Achievements: AI engine for automatic analysis and sorting of patient requests (emergency, quotes, cancellations), automated generation of treatment plans from questionnaires, system for dynamic medical letters to referrers, multi-role management (practitioner, secretary, assistant), agenda management, **HDS hosting, CI/CD, and Sentry monitoring**.

→ Stack:React.js, Next.js, Prisma, PostgreSQL, OpenAI.
Artificial Intelligence PostgreSQL Full-Stack Development Front-End Development Back-End Development
Fibi
CEO Fibi (exit)
HEALTH AND WELLNESS
December 2023 - Today (2 years and 6 months)
Marseille, France
→ Objective: Design and develop a B2Bcorporate wellness SaaSfrom scratch to production.

→ Achievements:Employee questionnaires with weak signal detectionand metric dashboards, bullying prevention module for private educational institutions,IoT sensor integration(CO2, temperature), automated PDF report generation, event-triggered questionnaire automation, Stripe payment module, and user, team, and site management.

→ Stack:Bubble.io, weweb
Bubble.io Front-End Development Back-End Development SAAS Artificial Intelligence

Check out Léo's experience

Pascale

Expertise, Adaptabilité & Suivi - Le Pastel - Restaurant Toulon

Reviewed on 3/27/2026

A huge thank you to Léo for creating my restaurant's website! What impressed me the most was his ability to perfectly adapt to my world and my specific requests (online menu, reservation system, specific visual ambiance). Whether you are in the restaurant industry or another business sector, Léo is a web development expert who knows how to offer tailor-made solutions with unbeatable value for money. Thanks to his efficiency and autonomy, I saved a lot of time! The site is fast, SEO is top-notch, and, above all, Léo remains very available even after launch to ensure everything works perfectly. He is a true professional, responsive and attentive. Thank you again, Léo, for this superb website! I recommend 100%! Pascale Lorain General Manager of Le Pastel - Restaurant Toulon

Mathieu

MINT

Reviewed on 9/9/2025

We hired Léo to develop an internal low-code tool from scratch, and the result far exceeds our expectations. He perfectly understood our needs, was proactive, and delivered a robust, scalable, and intuitive solution. Smooth communication, availability, professionalism, and efficiency: he has it all. We highly recommend Léo for any project requiring a serious and talented freelance developer.