> Markdown version of [/jobs/ext/1480734-mern-senior-fullstack-developer](https://www.wearedevelopers.com/jobs/ext/1480734-mern-senior-fullstack-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mern Senior Fullstack Developer - **Company:** THE BOARD | people & talent - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, User Authentication, Microsoft Azure, Databases, Continuous Integration, DevOps, Middleware, MongoDB, Node.Js, NoSQL, OAuth, Service-Oriented Architecture, Software Quality Assurance (SQA), Mern, ReactJS, Backend, Git, Graphql, Front End Software Development, React Redux, Restful APIs, Docker - **Published:** July 29, 2026 - **Apply:** https://www.buscojobs.com.es/mern-senior-fullstack-developer-en-madrid-ID-365098101 ## About the Role DevOps y Calidad de Software: Manejo de Git, Docker, CI/CD, testing (Jest) y despliegues en AWS o Azure, garantizando soluciones robustas y mantenibles. ## Description Más de 5 años de experiencia en desarrollo Full Stack MERN: Experiencia sólida desarrollando aplicaciones end-to-end con React, Node.js, Express y MongoDB en entornos productivos.Frontend Moderno con React: Creación de interfaces dinámicas utilizando componentes, hooks, consumo de APIs y gestión de estado mediante Redux, Context o Zustand.Backend con Node.js y Express: Diseño e implementación de APIs REST escalables, con conocimientos en GraphQL, middleware y arquitecturas orientadas a servicios.Seguridad y Autenticación: Implementación de mecanismos de autenticación y autorización utilizando JWT, OAuth y buenas prácticas de seguridad.Bases de Datos NoSQL: Amplia experiencia en MongoDB y Mongoose, incluyendo modelado de datos, consultas complejas y pipelines de agregación.DevOps y Calidad de Software: Manejo de Git, Docker, CI/CD, testing (Jest) y despliegues en AWS o Azure, garantizando soluciones robustas y mantenibles.Paquete retributivo compuesto de salario fijo más variable con revisiones anuales y plan de formación27 días de vacaciones, jornada de verano y viernes jornada intensiva#J-*****-Ljbffr ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)