> Markdown version of [/jobs/ext/4708792-full-stack-developer](https://www.wearedevelopers.com/jobs/ext/4708792-full-stack-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). --- # Full-Stack Developer - **Company:** Interactiveai - **Location:** Madrid, Spain - **Salary:** €70,000 - €90,000 - **Contract:** Permanent contract - **Skills:** Query Performance, JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Automation of Tests, Microsoft Azure, Databases, Continuous Integration, Identity and Access Management, Python (Programming Language), PostgreSQL, Node.Js, Redis, Release Management, Data Streaming, Web Application Frameworks, Tailwind, ReactJS, Backend, Event Driven Architecture, Kubernetes, Infrastructure Automation Frameworks, Production Code, Front End Software Development, React Redux, Restful APIs, Terraform, Docker, Microservices - **Published:** November 14, 2026 - **Apply:** https://www.adzuna.es/details/5965091488 ## About the Role What You'll Do As a Senior Full-Stack Developer at Interactive AI, you will build core features across both the frontend and backend of our platform-shipping elegant interfaces, robust APIs, scalable services, and reliable tooling used by enterprise customers and internal teams. This is a hands-on, high-ownership engineering role: you will architect systems, write production-grade code, design efficient data flows, and ship end-to-end features that directly shape our product experience. Design, architect, and implement backend services, microservices, and internal tooling Build modern, responsive, and performant frontend applications using React, Type Script, and Tailwind Develop and maintain RESTful and Graph QL APIs that power key platform functionalities Integrate third-party services, authentication systems, and enterprise connectors Collaborate with product and design to craft intuitive user experiences and smooth interaction flows Deploy and manage containerized applications using Docker and Kubernetes Work with databases such as Postgres, Redis, and/or Click House-handling schema design, migrations, and query performance Implement and maintain CI/CD pipelines, testing frameworks, and release workflows Troubleshoot production issues, performance problems, and service reliability incidents Take full ownership of features from design to production, including documentation and monitoring What We're Looking For We're looking for a highly skilled engineer with strong full-stack fundamentals, proven delivery, and the ability to build elegant, scalable systems across the entire web stack. Minimum Requirements: 5+ years experience building and deploying full-stack applications in production Strong proficiency with Type Script, Java Script, and modern frontend frameworks (React required) Backend experience with Node.Js, Python, or similar server-side technologies Experience designing and consuming RESTful and Graph QL APIs Hands-on experience with Docker, containers, and Kubernetes deployments Strong understanding of relational and/or analytical databases (Postgres, Redis, Click House) Experience working with cloud providers (AWS, GCP, or Azure) Familiarity with Infrastructure as Code tools such as Terraform Solid grasp of CI/CD pipelines, automated testing, and release management Excellent communication skills and ability to collaborate in cross-functional teams Nice-to-Haves: Experience with multi-tenant Saa S architectures or high-throughput systems Experience with state management libraries (Zustand, Redux, Recoil) Familiarity with event-driven architectures and message