About Samuel
- Complete SaaS platforms — NestJS + React monorepos in production, Prisma ORM, PostgreSQL, multi-tenant RBAC, dozens of data models
- AI integration in production — document extraction pipelines, autonomous agents, structured output, multi-providers (Claude, Gemini, OpenAI)
- Solid architecture — microservices, event-driven, GraphQL, REST, queues, auto-deploy CI/CD
- Business integrations — Stripe (subscriptions, webhooks, checkout), AWS S3, Cloudflare R2, third-party APIs
- Quality — tests (Vitest, Jest, Playwright), Sentry monitoring, rigorous code review
- Backend: NestJS, Node.js, Express, Prisma, PostgreSQL, GraphQL
- Frontend: React, Next.js, Vite, TailwindCSS, shadcn/ui, Framer Motion
- AI & Automation: Claude API, Gemini AI, OpenAI, LangChain, OCR, autonomous agents
- Infra: Docker, Linux, AWS, Cloudflare R2, GitHub Actions, Sentry
- Mobile: Capacitor, React Native
French
Native or bilingual
English
Native or bilingual
Experience
- Ville de rêve
On Malt
Fullstack python vue jsNovember 2025 - December 2025 (1 month)Design and development of a complete B2B payment system for Metricity, a SaaS platformBackend(Python/FastAPI):- Complete purchase funnel architecture: quotes, orders, invoicing- Stripe integration (checkout sessions, webhooks)- Handling of bank transfer payments and Chorus Pro for public authorities- Dynamic pricing system based on geographical entity population- Automatic generation of PDF quotes and invoices with S3 upload- Transactional email sending service- JWT authentication for the admin back-office- Access token system for clients after payment- Database migrations with Alembic- Security: rate-limiting, SIRET validation (Luhn algorithm), security loggingFrontend(Vue 3/Vite):- Complete administration interface: dashboard, quote and order management- Checkout and cart pages with adaptive customer form (companies/public authorities)- Payment confirmation and error handling pages- API integration with Pinia store**Stack**: FastAPI, PostgreSQL, Stripe, Vue 3, Pinia, Tailwind CSS - FireOn
On Malt
Fullstack DeveloperJuly 2025 - July 2025Tbilissi, Géorgie🔧 Backend & Infrastructure- Design and deployment of multiple serverless Edge Functions for asynchronous processing- Scalable RESTful API architecture with advanced rate limiting management- Implementation of multi-level authentication and authorization systems- Performance optimization and concurrency management🤖 Artificial Intelligence- Integration of multi-provider AI services (OpenAI, Anthropic, other LLMs)- Development of intelligent document processing pipelines- Creation of automated data analysis and extraction workflows- Prompt fine-tuning for AI result optimization⚛️ Frontend & UX- Development of responsive and accessible React/TypeScript interfaces- Implementation of reusable components with a unified design system- Complex state management and client performance optimization- Full internationalization (i18n) multi-language support🗄️ Technical Stack- Backend: Supabase (PostgreSQL, Edge Functions, Auth, Storage)- Frontend: React 18, TypeScript, TailwindCSS, shadcn/ui- AI: Multi-provider integrations, streaming API, token management- DevOps: CI/CD, monitoring, environment managementStrengths:- Scalable and maintainable architecture- Production-ready code with tests and documentation- Infrastructure cost optimization - gaetan lamotte Nutz
On Malt
Frontend Developer & SEO SpecialistDecember 2024 - December 2024Balikpapan, IndonésieI created an MDX content library 📚 to display dynamic FAQs, blog posts, formulas, and more using server-side rendering. The project was developed with TypeScript and Next.js, using Velite for MDX. The content is enriched with rich text and structured data schemas to optimize SEO and allow Nutz.fr to rank high in Google results 🚀. A fully dynamic and auto-generated solution, ready for optimal referencing.
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Education
- Master's degree in Computer ScienceEPITECH2022Diplôme d'ingénieur en Informatique
- Web Developer Associate's DegreeOpenClassroom2022développent web avec react