Freelancer profile translated to English.
Back to original languageAbout Gabriel
Hello and welcome to my profile.
I'm Gabriel, a Full-Stack developer specializing in TypeScript (Next.js, NestJS) as well as AI integration and workflow automation.
I enjoy working on web projects that require thinking about the product, building something technically solid, and most importantly, adapting to the need.
In other words: I don't always propose a Rolls-Royce. I take the time to understand the context, because I believe that for every need, there is an adapted and scalable solution.
🚀 Recent Experience – Scaling a Social Network (5,000 → 200,000 users)
I worked for several years on a social network that experienced strong growth. Scaling, real-time, performance, security, infrastructure, and cost management issues were central.
🧠 AI & Automation
I design and develop solutions integrating AI into existing products or workflows: business assistants, task automation, n8n workflows, LLM integration, and AI-assisted internal tools.
My goal is not to "add AI," but to build truly useful, maintainable tools adapted to business needs.
🤝 Product / Business / Technical Interface
After 7 years as a freelancer, I've identified one of my key strengths: I'm comfortable with both product/business discussions and technical communication.
I enjoy being at the interface between business teams (founders, management, product...) and developers.
Above all, I try to understand the real need behind a project to propose technically coherent, realistic, and context-adapted solutions.
🛠 Main Stack
TypeScript, Next.js, NestJS, n8n, OpenAI, LangChain, PostgreSQL, Redis, AWS.
Looking forward to connecting with you!
French
Native or bilingual
English
Fluent
Can work on-site
Grenoble (up to 30km)
Experience
- COMEJDDevelopment of a Search Engine and Mapping PlatformEDUCATION AND E-LEARNINGJanuary 2026 - April 2026 (3 months)Lyon, FranceDevelopment of an interactive mapping web platform dedicated to the memory of deported Jewish children from France.The project combines:• A high-performance interactive map (MapLibre / GeoJSON),• A search engine (with phonetic search capability),• A comprehensive administration interface,• And a business data processing pipeline.Technical Stack: Next.js, TypeScript, NestJS, AWS S3, CloudFront, MapLibre, GeoJSON, React Query, TailwindCSS.
- Entre PotesLead Dev - Technical LeadSOCIAL NETWORKSNovember 2023 - February 2026 (2 years and 2 months)I supported the project from 5,000 to 200,000 users.My responsibilities included coordinating developers on their tickets (and doing reviews), forecasting and limiting cost increases, preparing and developing new features...See more here! →Additional Information:- Front-end Next.js (React.js) in Typescript- Back-end Nest.js and Prisma in Typescript- Hosting: AWS and Cloudflare
- 361 Degres
On Malt
Web Development and UI/UX TrainerEDUCATION AND E-LEARNINGNovember 2023 - February 2024 (3 months)Lyon, FranceTrainer for the "La Toile" program at EM Lyon from November 2023 to February 2024.This training focuses on the fundamentals of web development (HTML, CSS, and JavaScript) to designing prototypes on Figma (UI/UX, design, web design, Figma) and supports students in building and presenting a fictional web project.
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Education
- Web Developer - Level 5 Diploma (Bac +2)OpenClassRooms2023Formation au développement web en autonomie, orientée projet. Compétences cibles : - Développer le front-end d'un site avec HTML, CSS et Sass, javascrpit, React.js - Développer le back-end d'un site avec Node.js - Optimiser les performances d'un site - Gestion de projet en méthode Agile
Certifications
- Generative AI and Langchain for JS DevelopersUdemy2026
- Production-grade AI agents with LangChain.js, LangGraph.js, RAG, LangSmithUdemy2026