Freelancer profile translated to English.
Back to original languageAbout Antoine
Freelance full-stack developer, a graduate of École 42, I work through my company 8DEV to support SMEs and startups from scoping to production.
My approach: a single, responsive point of contact who masters the entire chain; design, web and mobile development, deployment, maintenance.
No sales layer, no intermediaries.
You speak directly to the one who codes.
Stack: Next.js, React, React Native, Node.js, PostgreSQL, Docker, CI/CD... I also adapt to your existing constraints.
What I deliver: clean, documented, maintainable products. As well as ongoing support.
French
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- Global internship
On Malt
Website for Internship offersSOFTWARE PUBLISHINGJanuary 2026 - March 2026 (2 months)Aix-en-Provence, FranceFull-stack design and development of a SaaS platform for connecting students/companies for international internships.Technical Stack: Next.js 16 (App Router, Server Components), TypeScript, Prisma ORM, MariaDB, NextAuth.js v5, Tailwind CSS v4, deployed via Docker on Coolify.Scope of work:- Multi-tenant architecture with 3 roles (Student, Company, Admin) and full permission management- Intelligent student/internship matching engine with multi-criteria scoring (skills, location, education level)- Complete i18n system with automatic translation via OpenAI GPT-4o-mini, localized URLs by language for SEO- Bidirectional HubSpot CRM integration: synchronization of contacts, companies, and deals with custom property mapping- Real-time notification system with automatic translated emails- Complete admin back-office: analytics dashboard, user/internship/application management, moderation, translation management- Advanced SEO: dynamic multilingual sitemap with hreflang, JSON-LD (JobPosting), localized slugs, Server-Side Rendering- Support ticketing system with HubSpot integration- Stripe integration for subscriptionsResult: Platform in production with ~250 internship offers in 30+ countries, 6 languages supported, active Google indexing. - STX PerformanceFreelance DeveloperSOFTWARE PUBLISHINGFebruary 2026 - April 2026 (2 months)Aix-en-Provence, FranceSTX Performance — B2B Engine Remapping PlatformDesign and development of a B2B platform dedicated to ECU (Engine Control Unit) remapping professionals. The platform allows automotive tuners to order modified engine files (stage 1/2, DPF/EGR delete, etc.) through a dedicated client area, with real-time tracking and prepaid wallet management.The application consists of 3 distinct interfaces:- A public showcase website with a performance simulator (power/torque) by vehicle- A secure client area for managing orders, uploading original files, and downloading modified files- An administrator back-office for order processing, invoicing, content management, and analytics trackingTechnical Stack: Next.js 15 (App Router), TypeScript, React, Material UI, Framer Motion for animations. Backend built on MariaDB with Prisma 7 (driver adapter), authentication via NextAuth.js v5, file storage on MinIO (S3-compatible) with secure upload/download via pre-signed URLs. Automation of ECU file processing via Lua scripts integrated with WinOLS.Full-stack architecture covering 10 functional domains: authentication, orders, wallets, invoicing, support/ticketing, performance simulator, content management (CMS), configuration, analytics, and internationalization. Automated draft purging system via API cron job.Role: full-stack developer, from design to production.
- NiE SantéFreelance DeveloperSOFTWARE PUBLISHINGDecember 2025 - February 2026 (2 months)Aix-en-Provence, FranceNiE Santé— Full-stack design and development of a medical appointment booking platform for the Guinean market, aiming to modernize access to healthcare by connecting patients and health professionals.**Objective**: Allow patients to search for doctors by specialty, location, or institution, view their profiles and reviews, and book appointments online. For professionals, provide a comprehensive dashboard for managing schedules, patients, health campaigns, and subscriptions.**Technical Stack**:- React Native (Expo) mobile application for iOS and Android- Next.js 16 (App Router) web application, React 19, TypeScript- Prisma ORM with MySQL (users, doctors, appointments, campaigns, institutions, reviews)- NextAuth for patient and professional authentication- Tailwind CSS 4 + shadcn/ui (Radix UI) for a responsive design system- MinIO (S3-compatible) for file storage (verification documents, avatars)- Google Maps API for practitioner geolocation- NimbaSMS for OTP verification by phone (local market)- Coolify for deployment**Functional Scope**:- Patient journey (web + mobile): multi-criteria search, doctor profiles, appointment booking, health tracking, push notifications- Professional journey (web): schedule and slot management, patient follow-up, public health campaigns, statistics, institution management, subscriptions- Professional identity verification (National ID/passport, professional license)- Interface entirely in French, adapted to the Guinean context
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Education
- AlumniEcole 422022