Descripción Our client is a **scale\-up headquartered in Dublin**, with a growing tech hub in **Barcelona**. They specialize in building **real\-time AI solutions** for customer support teams, combining automation with human insight to improve service quality and operational efficiency. They’ve won multiple awards for innovation and are trusted by leading brands in **travel, e\-commerce, insurance, and banking**. Requisitos básicos We’re looking for a **Senior Backend Engineer** to join their product team and help build scalable, high\-performance software. You’ll work on APIs, services, and backend architecture, collaborating closely with frontend, UX, and data science teams. Tech Stack * Python (8\+ years) * PostgreSQL, SQLAlchemy * Flask, AWS, Pytest, GitHub Actions, Terraform Requisitos deseados Why This Role Stands Out * High\-impact product with real\-world applications * Autonomy to solve problems and influence technical decisions * Potential to grow into a leadership role * Collaborative, international team * Strong focus on professional development Conditions * Salary range: 60\-75K * Ideally based in or near Barcelona (relocation support available). Hybrid setup with 2 days/week in the office. * €2,000 annual learning \& development budget * 23 days of annual leave \+ company shutdown days * Bonus structure and share options * Regular team events and off\-sites 60\.000 \- 75\.0000€ Barcelona Híbrido **Persona de contacto:** anprieto@q\-techrec.com \+34 639 525 928