> Markdown version of [/jobs/ext/1650010-programador-fullstack-backend-o-frontend](https://www.wearedevelopers.com/jobs/ext/1650010-programador-fullstack-backend-o-frontend). 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). --- # Programador Fullstack Backend O Frontend - **Company:** Seedtag - **Location:** Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Artificial Intelligence, Software as a Service, Software Debugging, High-Level Architecture, Node.Js, TypeScript, GitHub Copilot, ReactJS, Large Language Models, Backend, Solid Principles, Front End Software Development, Golang, Microservices - **Published:** July 17, 2026 - **Apply:** https://es.trabajo.org/oferta-5354-b8b5962115bc41c57ab15eb3d0b355f7 ## About the Role AI tools (GitHub Copilot, Claude code, LLMs, etc.) You understand how to leverage these tools to speed up boilerplate coding, debugging, and learning, allowing you to focus on high-level architecture and complex problem-solving. A key moment of growth with real ownership and global impact. ~ Flexible work model with 100% remote or hybrid options. ~(Remote contracts available in Spain, Italy, UK, Belgium, Netherlands, France, and Germany.) ~ Home office setup budget up to €1,000 ~ ## Description learn fast. We Are Data-Driven Data informs our decisions and helps us continuously improve our systems and results. Frontend: Typescript, React, Styled Components / Design Systems. Backend (Where you'll grow): Node.js, Go, Microservices. The Ad Serving Mindset: You understand that "Frontend" in Adtech means building small, highly-optimized scripts that run on other people's websites without breaking them. The Fullstack "Predisposition": You aren't just a UI developer. You have a strong interest in the backend (Node.js). You view the server as the natural extension of the client. SaaS & Design Systems: You have experience building complex B2B platforms where consistency, reusability, and performance are paramount. Software Craftsmanship: You advocate for Clean Code and SOLID principles. You believe that "done" includes being well-tested, documented, and observable. You see the backend as an opportunity to broaden your impact rather than a chore. AI-Augmented Productivity: You embrace ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) - [Stop Using Node.js Like It’s 2020! - Alfonso Graziano](https://www.wearedevelopers.com/videos/1863-stop-using-node-js-like-it-s-2020-alfonso-graziano) - [Coffee with Developers](https://www.wearedevelopers.com/videos/354-coffee-with-developers) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [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) - [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) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)