Full Stack Developer | Freelance | Remote | Catalonia I am currently working with a respected digital marketing agency who are looking to bring in an experienced Full Stack Developer to lead the department on a freelance basis to help improve their processes and deliver future projects. Full Stack Developer. Working Model: Remote. Contract Length: 6 Month contract with extension possibilities. Strong expertise in Python (non-negotiable) and Node.Js (must)Proficiency with React for front-end development Strong background in data management (data lakes, warehouses, streaming analytics)Familiarity with cloud environments, ideally Google Cloud Platform (Big Data, ML fundamentals, resilient streaming systems)Ability to take projects end-to-end with focus on back-end development Solid understanding of modern software engineering practices (scalability, resiliency, clean code)Deliver end-to-end development of small to medium-scale projects Lead the modernization of data lakes and data warehouses on Google Cloud Platform Design, implement, and optimize back-end services and APIs (Python, Node.Js)Develop and maintain React-based front-end components Implement and manage CI/CD pipelines to ensure reliable deployments Full working proficiency in English ~