Freelancer profile translated to English.
Back to original languageAbout Jérôme
Senior Web Developer — Next.js, React, SaaS & Business Applications
I help companies and project leaders design high-performance, scalable websites, business applications, and SaaS products.
My approach goes beyond development: I challenge needs, identify what is truly useful, and help my clients avoid costly design mistakes.
🚀 SaaS / Webapp Prototype Offer — Delivered in 30 days, €8000 HT
Have an idea to test? I will develop a first usable version of your product in 30 days (e.g., authentication, user dashboard, Stripe payment) to validate your market without investing tens of thousands of euros upfront.
Examples of recent projects: freelance/client matching platform (Next.js + Payload CMS), multi-actor real estate document management platform (Next.js + Supabase).
Main Stack:
Next.js, React, TypeScript, Tailwind CSS · Payload CMS · Stripe & Third-party APIs
Why Choose Me
✅ 9 years of experience in web development
✅ Clear and proactive communication, tested deliveries
✅ Product-oriented developer, not just an executor
✅ Long-term trusting relationship
Let's discuss your project.
French
Native or bilingual
German
Conversational
English
Fluent
Can work on-site
Strasbourg (up to 10km)
Experience
- Find a ServiceFront-end Dev & Architecture ConsultingENTERTAINMENT AND LEISUREMay 2026 - Today (3 months)Strasbourg, FranceSaaS Platformconnecting pool managers and service providers (freelancers/companies). Type MaltFull mission cycle management: websites, offers, applications, quotes, contracts, amendments, invoicing, rating, reporting.**Role**: Development of the entire application front-end, server actions, AI-assisted UX/UI design, and backend dev support for Payload CMS architecture.**Functional Scope**:Account and site management (admin creation, configuration)Job offer creation and publication by categoryService provider job board with real-time eligibility and inline applicationApplication, quote, and contract management (complete workflows)Amendment system (service provider/employer price negotiation)Bi-directional rating (service providers ↔ sites)Invoicing and accountingDashboard and reporting**Stack**: Next.js 16 · Payload CMS 3 · PostgreSQL · TypeScript · React · Tailwind CSS · shadcn/ui · Zod**Focus**: Scalability · Performance · Maintainability · Security
- ConfidentielDevelopment of a Real-Time Internal Messaging System — Marketplace / E-commerce PlatformHEALTH AND WELLNESSApril 2026 - June 2026 (2 months)Strasbourg, FranceDevelopment of a real-time internal messaging system — on a large e-commerce / Marketplace / Event Platform / Health space.Implementation from scratch of a 1-to-1 private messaging feature on an existing e-commerce / wellness platform, fully integrated into a Next.js App Router + Payload CMS codebase.Technical Scope:Payload CMS collection modeling (conversations, messages, reports) with granular access control per participant and role (buyer, seller, therapist, admin)Real-time via SSE (Server-Sent Events) with exponential backoff automatic reconnection and multi-tab managementSecure Next.js Server Actions (creation, sending, read marking, archiving, reporting)In-app notifications (toasts, unread count badge) connected to the SSE streamEmail notifications via react-email + SMTP nodemailerResponsive desktop/mobile interface: conversation list, thread view, contextual "Contact" buttons on product/shop/therapist/event/order pagesPixel-perfect Figma integration into existing UI (shadcn/ui, Tailwind)
- Immobilier DirectSenior Frontend Developer – Next.js / Headless WordPress / AIREAL ESTATEOctober 2025 - Today (10 months)Strasbourg, France
Complete development of a headless real estate platform with AI integration
ContextDevelopment of a real estate ad aggregation platform with automated scraping and intelligent AI search.Key FeaturesIntelligent ScrapingAutomatic ad extraction from agency sites (Puppeteer)AI processing (GPT-4o) for data structuringPreview and validation before publicationAI Real Estate Search ChatbotNatural language search ("3-room apartment in Lyon under €300k")Dynamic GraphQL query generation via function callingRelevant results and intelligent filteringModern InterfaceHigh-performance Next.js 16 frontend (SSG/ISR)Admin dashboard for ad managementResponsive and SEO optimizedTechnical StackFrontend: Next.js 16, React 19, TypeScript, Tailwind CSSBackend: Headless WordPress, WPGraphQLAI: GPT-4o (extraction + chatbot)Infrastructure: Vercel (serverless)Scraping: Puppeteer, structured outputs
Reviews
Recommendations
HD
FU
+2
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Education
- Web Application Integrator Developer3W Academy Strasbourg2017
- EngineerEcole Centrale de Nantes2004
Certifications
- React, React Router and FirebaseUdemy2020