Freelancer profile translated to English.
Back to original languageAbout David
Fullstack Developer | React.js | Next.js | Stripe
I have assisted several clients in the design and deployment ofmarketplacesand custom web applications:
- **Concrete gains**: platform in production in less than 3 months, reduction in payment errors, user experience validated by early adopters.
I am aFullstack Developerspecializing inmarketplacesandStripeintegration. I handle everything from scoping to production, with a pragmatic approach: building a useful, stable product aligned with your business objectives.
I offer aturnkeyapproach: you get a functional, maintainable, and ready-to-evolve product. The code is structured, performance is optimized, and the user experience remains central.
Technical Stack**: **React.js**, **Next.js**, Node.js, REST API, **Stripe(Connect, Billing, Checkout, Webhooks), SQL and NoSQL databases. I work with **agile methodologies**, with short cycles and regular communication.
Looking for aFullstack Marketplace React.js Next.js Stripe Developercapable of bringing your project to life? Contact me for a video call, I'll respond within 1 hour.
French
Native or bilingual
English
Conversational
Can work on-site
Paris (up to 50km), Lyon (up to 50km), Bordeaux (up to 50km), Lille (up to 50km), Marseille (up to 50km)
Experience
- factudevisFullstack Developer | React.js | Next.js | StripeSOFTWARE PUBLISHINGApril 2026 - April 2026Montpellier, France**CONTEXT**:Design and development of abilling SaaSfor French **micro-entrepreneurs**, compliant with 2027 tax obligations.**ACHIEVEMENT**:End-to-end development of a complete application in a **Next.js monorepo**:
- Integrated **Stripe**: subscriptions (Free/Pro), **Checkout, customer portal, webhooks**, and payment management
- Generation of compliantPDF quotes and invoiceswithFactur-X(EN 16931 e-invoicing standard)
- Secureelectronic signature(unique token, SHA hash, signer IP)
*Recurring invoices(monthly/quarterly), quote-to-invoice conversion*Statisticsdashboard, purchase register,URSSAFdeclaration, threshold simulators- **Push notifications**, global search, rate limiting (Upstash Redis)
*Complete SaaS in productiondeployed on Vercel- **40+ Server Actions**, 9 Prisma models, full tax compliance
- Operational monetization viaStripe(Free/Pro)
*Scalableandsecurearchitecture (NextAuth, rate limiting, HSTS)**TECHNICAL STACK**:Next.js 16(App Router),React19, TypeScript,Prisma, MongoDB, Stripe(Checkout, Webhooks, Portal), **Resend, TailwindCSS, shadcn/ui**, Vercel, Upstash Redis - GardenStayFullstack Developer | React.js | Next.js | StripeE-COMMERCEFebruary 2026 - March 2026 (1 month)Montpellier, France**CONTEXT**:Marketplaceplatform connecting garden owners with individuals wishing to rent exceptional outdoor spaces for private events.**ACHIEVEMENT**:End-to-end design and development of a complete marketplace:*Multi-party payment systemviaStripe Connect**: dynamic platform commissions, automatic payouts to hosts, and automated **refunds*Time slot booking systemwith availability calendar, 3-tier cancellation policy, andiCal synchronization
- Real-timeinternal messaging**, **two-way review system**, and complete **admin dashboardwith KPIs
**RESULTS**:- Platform delivered and deployed inproduction(Vercel + Render)
- **9 functional modules**: auth, listings, booking, payment, messaging, reviews, admin, iCal, accounting
- Admin dashboard with user, listing, booking management, andreal-time KPIs
Next.js(App Router),React.js, Express.js**/TypeScript, **Stripe(Connect,Webhooks),PostgreSQLvia Prisma ORM, Supabase, Vercel, Render - Family RecipesFullstack Developer | React.js | Next.js | StripeRESTAURANTS AND FOOD SERVICEOctober 2025 - November 2025 (1 month)Gignac, France**CONTEXT**:Mobileapplication dedicated to gastronomy, facilitating the management, sharing, and viewing of **family recipes**.**ACHIEVEMENT**:End-to-end design and development of a cross-platform mobile application:- Development withReact NativeandExpofor rapid iOS/Android deployment- Integration ofRevenueCatforin-app subscriptionmanagement and monetization-Modular architecturewithNode.jsbackend coupled withSupabase(authentication, real-time database)- Fluid and intuitiveUX/UIinterface, optimized for mobile experience**RESULTS**:- Application launched on theapp storeswith excellent perceived quality (UX/UI)-Subscription system operationalvia RevenueCat (iOS + Android)- **Real-time data synchronization**: performance gain-Scalablearchitecture, ready to support new features**TECHNICAL STACK**:React Native**, **Expo, Node.js, Supabase(Auth, Realtime DB),RevenueCat
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Education
- RNCP Level 6 TitleLa Capsule2024Développeur d'application web et mobile