We are looking for Node.js developers responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front‑end. You are passionate about coding, architecture, and technical innovation, and keen to work in a dynamic, international team of highly skilled developers.

Responsibilities

Drive both full stack and backend development of the core platform

Write code of the highest quality

Contribute to the scoping of key development projects

Take responsibility for the execution of tasks in the internal tech team and with external partners

Build REST‑style APIs in Node

Work with real‑time metrics

Qualifications A Computer Science degree or equivalent; for self‑taught candidates a proven track record of using data structures and algorithms at optimal levels

Minimum of 2 years of working experience with Node.js





Solid experience building applications on top of RESTful APIs

Experience developing automated unit, integration, and functional test suites

Strong desire to learn, push the envelope, and share knowledge with others

Eye for process flows

Ability to communicate effectively in English, both written and spoken

Permission to work within the EU

Benefits A competitive base salary, with participation in our company warrant programme

Private health insurance

Versátil working hours and a very good work‑life balance

Trips to our head office in Copenhagen

Personal and professional development through company‑sponsored conferences and training courses The rewarding feeling of building something unique and making a difference

At Actimo we value Engaging, Easy, Effective and Fast. We seek a team player who embodies these values and contributes effectively to the team’s success.

📌 Node.js/JavaScript Developer (Madrid)
🏢 Actimo
📍 Madrid