> Markdown version of [/jobs/ext/4120665-fullstack-engineer-node-js](https://www.wearedevelopers.com/jobs/ext/4120665-fullstack-engineer-node-js). 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). --- # Fullstack Engineer (Node.js) - **Company:** Goodweek - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Agile Methodology, Artificial Intelligence, User Authentication, Cloud Computing, Software Quality, Databases, Continuous Integration, DevOps, Machine Learning, Node.Js, Software Architecture, TypeScript, ReactJS, Retrieval-Augmented Generation, Large Language Models, Git Flow, NestJS - **Published:** October 24, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=b53099e8bece47b2 ## About the Role Technical background * 5+ years of experience with Node.js + TypeScript stack (NestJS/React) * Solid understanding of backend architecture, scalability, and security best practices * Experience with databases, authentication, and cloud platforms * Familiar with CI/CD, Git workflows, and agile methodologies * Bonus: strong familiarity with AI/ML development (LLMs, RAG, or similar) Soft skills * Strong technical communication * Agile mindset focused on product and business value * Ability to document architectural decisions * Balance between code quality and delivery speed Technical English required ## Description You'll design, develop, and maintain our digital product, ensuring scalability, performance, and security while delivering features that truly meet business and client needs. More specifically, you will: * Develop components with clean, maintainable code * Build, test, and deploy new functionalities in agile cycles * Participate in architecture and tech stack decisions * Ensure code quality, performance, and security * Troubleshoot and resolve technical issues * Document and share technical knowledge * Collaborate closely with product, engineering, and DevOps teams to build innovative solutions.