JavaScript Fullstack Developer, React, Node.jsJavaScript Fullstack Developer, React, Node.js required to join a leading global end user brand in Marseille, France permanent position offering excellent salary and benefits.JavaScript Fullstack Developer, to join a growing technical team working on modern, scalable web applications connected to smart systems. You will contribute to the development, evolution, and maintainability of high-quality software solutions.ResponsibilitiesDevelop and maintain front-end and back-end web applicationsBuild user interfaces using vanilla JavaScript and ReactDevelop back-end services with Node.jsWork with MySQL databasesImplement HTTP and WebSocket communicationsApply Clean Code and Clean Architecture principlesParticipate in code reviews and technical decision-makingTechnical skills requiredStrong JavaScript fundamentalsExcellent React experienceSolid Node.js and MySQL knowledgeUnderstanding of HTTP/WebSocket flowsClean Code / Clean Architecture principles