Freelancer profile translated to English.
Back to original languageAbout Clément
Full-stack developer | Node.js NestJs React.js AI
Is your **application slow, accumulating technical debt, or showing its limitations**?
Do you need to **launch a reliable, secure, and AI-powered product**?
I step in totake over an existing codebase**, **design a solid, performant, and scalable productwithNode.js, NestJs,**Reactjs, and AI integration.**
ℹ️A little about me:
- Expertise inNode.js, NestJs, Vuejs, Reactjs, DevOps (Docker, Kubernetes) & integrated AI (local or remote)
🏗️Recent achievements:
- MedusaJS, Next.js multi-tenant e-commerce platform: multi-tenant architecture, Stripe Connect, geolocated delivery, loyalty & automated invoicing → operational franchise networks
- NestJs & Vue.js logistics WMS: real-time dashboard, automatic task dispatch, offline-first, multi-site stock traceability
- NestJs, Prisma, Docker AI exam platform: automatic evaluation via Git, multi-language tests, isolated environments
- Automated newsletter generation tool NestJs & LLM: complete creation via simple prompt
- AI Agent: bridge between documentation and human requests
- + other projects
💡Why do my clients trust me?
- I deliver alasting architecture, not just code
- I understand your business challenges
- Regular updates, technical explanations, and responsiveness
🤝Shall we work together?
- Based inLyon, travelthroughoutFrance
- Availablefully remote
Reply in under an hour 7 days a weekvia Malt messaging
French
Native or bilingual
English
Fluent
German
Basic
Can work on-site
Lyon (up to 50km), Paris (up to 50km), Marseille (up to 50km), Bordeaux (up to 50km), Nantes (up to 50km)
Experience
- WoodstockDevelopment of a Warehouse Management System (WMS)LOGISTICS AND SUPPLY CHAINFebruary 2026 - May 2026 (3 months)Paris, FranceDevelopment of a complete Warehouse Management System (WMS)for a multi-site logistics operator managing teams of handlers.
- Administration Dashboard: team management, task
- assignment, real-time tracking
- PWA Application for mobile terminals (PDA): offline-
- first interface, QR code scanning
- Automatic dispatch of products among handlers according
- to load and availability
- Multi-role authentication, complete stock movement traceability
- Stack: NestJS, PostgreSQL, Vue.js / Quasar (PWA), Docker, TypeScript,
- Prisma ORM
- GreenbayMulti-brand e-commerce platformRETAIL (LARGE RETAILERS)December 2025 - June 2026 (6 months)Lyon, FranceDesign and development from scratch of a multi-tenant SaaS platform for franchise networks. Each brand has an independent storefront, isolated inventory management, and separate financial flows.
- Multi-tenant architecture with data isolation by middleware
- (request-level role filtering)
- Stripe Connect integration in Direct Charges: each franchise receives
- its payments directly, with application fee collection
- 3 delivery modes: colissimo, click & collect (6-digit code, 24h
- deadline), courier with real-time geolocation PWA
- Loyalty program, automatic generation of compliant PDF invoices con-
- forms, 19+ event-driven workflows
- Use of LLM and RAG to help merchants save time on their common tasks
- 5 independently deployed applications: 4 Next.js storefronts on
- Vercel, backend on Railway
- Stack: MedusaJS v2, Next.js 15, PostgreSQL, Redis, Docker, TypeScript
- SODIGITALEKanban Module Refactoring React 19 | Migration @dnd-kit & Modular ArchitectureDIGITAL AND ITDecember 2025 - January 2026 (1 month)Lyon, FranceDevelopment and complete refactoring of a Kanban module within an industrial performance management React application.Migration from React 18 to React 19 with resolution of incompatibilities and replacement of the obsolete drag'n drop library (react-beautiful-dnd) with @dnd-kit.Design of a modular frontend architecture in TypeScript:reusable componentscustom hooksdata adapters and React contextsImplementation of a high-performance drag'n drop system (60 FPS) with native mobile and touch support.Creation of a UI abstraction layer with 30+ wrapper components allowing for progressive dependency migration.Reduction of code volume per component by 60%Implementation of unit tests with Vitest and complete technical documentation
Reviews
A
Abderrahim
EQUANS
Reviewed on 11/6/2025
Clément is a very competent, accommodating, and highly responsive person.
I highly recommend him.
Tony
Tony Bano
Reviewed on 7/22/2025
I called on Clément to assist me with the backend development of a SaaS. He was super responsive, involved, and proactive in technical choices. The work was done rigorously, on time, and with excellent communication.
A true trusted partner, I recommend him 100%.
Recommendations
HC
OC
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Education
- Digital Technology Architect42 Paris- Apprentissage des langages C et C++ - Formation sur Node.js, Vue.js et son écosystème - Apprentissage de plusieurs méthodologies, notamment Agile et Scrum - Apprentissage de plusieurs modèles ( conventionnel, Kruchten, ...) et d’architectures (en couches, en flots de données, orientés objets) Quelques exemples de projets : - Un serveur HTTP/1.1 fonctionnant comme Nginx, et fonctionnel en production - Un moteur de jeu en raycasting avec format de création de carte - Un site internet pour jouer à Pong en multijoueur, avec un chat complexe intégré
- D2e - Student EntrepreneurUniversité Lyon 22018Formation juridique sur la création et la gestion d’entreprise Rendu de fin d’études portant sur la création d’une entreprise (business plan, plan comptable, ...) devant un jury de chef d’entreprise reconnu