We are working with a leading French health-tech group, one of the major players in information systems for the Healthcare sector, with close to 6,000 employees across more than 10 countries. This position is part of a small, highly operational team working on a product that connects patients, insurance companies and doctors, particularly specialists. The product integrates with external insurance company APIs as well as internal corporate modules, including single sign-on. We are looking for a Backend Developer to join a small, close-knit team and take ownership of backend development, working with a high degree of autonomy. Responsibilities
* Develop (not just maintain) the back office of the product, using Node.js.
* Work autonomously within a small team, making technical decisions independently.
* Integrate and maintain connections with external APIs (insurance companies) and internal modules (corporate services, single sign-on).
* Collaborate closely with the Product Owner and QA,



and coordinate occasionally with other internal teams on authentication-related topics.
* Participate in integration testing, combining automated and manual testing practices.
* Use AI tools daily to support development (e.g., Copilot, Cursor AI). Requirements
* Solid experience as a Backend Developer with Node.js and TypeScript.
* Working knowledge of SQL / relational databases (MariaDB or similar).
* Familiarity with Docker, Kubernetes and Git.
* Experience integrating external APIs and working with authentication/SSO flows is a plus.
* Knowledge of Angular is a plus.
* Ability to work autonomously and take technical decisions without close supervision.
* Fluent Spanish (required). English is valued. French is not required but considered a strong plus. What is offered
* Hybrid model: 2 days in the office.
* Versátil

working hours
.
* 23 days of vacation.
* Training.
* Medical assurance.

📌 Backend Developer (Comunidad de Madrid)
🏢 Q-Tech
📍 Comunidad de Madrid