Freelancer profile translated to English.
Back to original languageAbout Ronan
With over 6 years of web development experience, I help startups and companies launch their products quickly by building performant and scalable MVPs.
I specialize in frontend and backend development, with advanced expertise in React, Next.js, and TypeScript. I can quickly integrate into your team and deliver reliable, tested, and deployable solutions.
What I offer:
Web MVPs in record time with React/Next.js and a solid backend
Custom GIS solutions (PostGIS, OpenLayers, QGIS)
AI solutions integration: OpenAI assistants, RAG engines (Qdrant, etc.)
Automated testing and CI/CD setup for continuous quality
Full-stack deployment on Vercel or dedicated servers
SEO and performance optimization (Core Web Vitals, SSR, CDN…)
Web3 features: smart contracts, wallet connect, dApps
My references:
Rennes Métropole: GIS project using agile methodology – analysis, fullstack dev, CI/CD
Swiss web3 startup: Solidity/Rust smart contracts, dApp development, blockchain API
Soundsuit: SaaS in Next.js and React Native
My method:
✅ Full transparency: daily task reports
📞 Responsive and available on WhatsApp and email (average response within 1h)
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- ELDA Technology (pour Compagnie des Alpes)Freelance Full Stack GIS DeveloperSeptember 2025 - November 2025 (2 months)Development of Atlas, a centralized GIS platform for Compagnie des Alpes to unify the geographic data of 23 distinct sites.- Built the technical infrastructure to replace expert tools (QGIS, AutoCAD) with an intuitive web interface.- Implemented a multi-tenant architecture based on PostgreSQL and PostGIS.- Engineered an API with FastAPI for geospatial processing and automated S3 storage for GeoTIFF rasters.- Frontend development with Next.js and Mapbox for smooth visualization of spatial objects without licensing fees.- Created an automated multi-format data import pipeline (SHP, GeoJSON, TIFF).- Integrated advanced GIS tools: dynamic layer management, 3D visualization, and automated PDF/PNG report generation.- Designed an RBAC system to secure the platform and manage permissions by site and specific data layer.
- ElanoFreelance Full Stack DeveloperAugust 2025 - September 2025 (1 month)Full development of an AI-powered customer support platform (RAG).Creation of a conversational chatbot to handle user requests and automate ticket creation.Design of a comprehensive administrator dashboard allowing to:- Manage ticket status and send emails.- Track performance statistics.- Continuously improve AI efficiency.
- SoundsuitFreelance Full Stack DeveloperNovember 2024 - June 2025 (7 months)Development and deployment of key features for a cross-platform music streaming solution (Next.js & React Native).- Design of intuitive interfaces for centralized music control across multiple sites and devices in real-time.- Optimization of user experience (UX) to ensure smooth and uninterrupted audio streaming.- Maintenance and evolution of web and mobile applications to meet specific professional client needs.
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Education
- Diplôme d'ingénieur - Informatique, multimédia & réseauxENSSAT - École Nationale Supérieure des Sciences Appliquées et de Technologie2024Diplôme d'ingénieur - Informatique, multimédia & réseaux
- DUT InformatiqueIUT Lannion2021DUT, Informatique
Certifications
- GDPR CertificationCNIL2020
- JavaScript Algorithms and Data StructuresFreeCodeCamp2020