Senior Fullstack Engineer in Madrid/Barcelona (remote) for an International clientJob role: Senior Fullstack Software EngineerJob description: A Senior Fullstack Software Engineer with high experience in DevOps, Kubernetes & Python.Location: Madrid/Barcelona (Remote)Languages required: English (C1) MANDATORYMinimum experience: 5 to 7 yearsRate: 260-285/dayDESCRIPTIONResponsibilities:We are seeking a Senior Fullstack Software Engineer with strong expertise in Python and solid experience in JavaScript (preferably ReactJS).
The idóneo candidate will take a lead role in backend architecture and development with a strong emphasis on performance, reliability, and scalability, supporting thousands of concurrent users and high-frequency external integrations.The role includes contributing to frontend development with modern technologies, making key technical decisions, driving architectural improvements, ensuring high code quality through comprehensive testing (including Playwright for end-to-end and integration tests),



and collaborating with engineering and product stakeholders.
Knowledge and Skills:Lead backend architecture and development to ensure high performance, scalability, and reliability.Develop and maintain backend services using Python and FastAPI.Contribute to frontend development using ReactJS, Typescript, Vite, and Tailwind.Work with databases and storage technologies such as Redis, and manage migrations with Alembic.Coordinate with the infrastructure team regarding deployments and operations in environments using Azure DevOps, Docker, Kubernetes, and AWS.Technical Skills:Python (5+ years)FastAPIJavaScript / TypescriptReactJS (3+ years preferred)TypescriptTailwindViteRedisAlembic (migrations)Azure DevOpsMongoDBPostgreSQLDockerKubernetesAWS(Infrastructure knowledge is a plus but not mandatory)Languages:English (C1)Rate:260-285/day. Hay opciones de teletrabajo/trabajo desde casa disponibles para este puesto.

📌 Senior TypeScript Full-stack Engineer (Barcelona)
🏢 The White Team consulting
📍 Barcelona