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# Fullstack/Backend Engineer

- **Company:** Baldur Connect
- **Location:** Madrid, Spain
- **Salary:** €80,000.0
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Software Quality, Node.Js, TypeScript, ReactJS, Backend, Front End Software Development, Serverless Computing
- **Published:** August 11, 2026
- **Apply:** https://es.trabajo.org/oferta-4021-9b5810fedd20d0a61f87158a2040677e

## About the Role

Our client, one of Europe´s fastest growing companies, recently secured a €200M investment to drive their mission of sustainable innovation through their AI Green Tech platform. As a part of their exceptional growth, in addition to their German HQ, they are now opening a brand-new Tech Hub in central Madrid In this role, you'll have the chance to work on key projects, build high-impact scalable systems, and make a tangible impact in the growing green tech sector. The Role: - Work on scalable, serverless platforms to help companies track their impact and meet sustainability standards - You will have the option to work either as a Backend Developer, Fullstack Developer, or Frontend Developer - Develop high-quality features with React, Node.js, JavaScript, and TypeScript - Design key architectures, ensure code quality, and continuously enhance methodologies in a collaborative, agile environment Ideal Background: - You call yourself a Senior in either Backend, Frontend, or Fullstack



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