Backend Engineer - Fixed Term Contract / Infrastructure and AutomationWe’re looking for a number of Backend Engineers to help build robust services and automation pipelines that support next generation AI and quantum‑inspired technologies. The team enables model compression that reduces LLM size by up to 95 % and cuts inference costs by up to 80 %, allowing general organisations to deploy AI at scale with far greater efficiency.This is a fixed‑term contract, based in Zaragoza, working on a hybrid basis through mid‑2026 and includes a competitive package with signing and retention bonuses (plus relocation assistance if needed).In this role you will:Develop and maintain backend services in Python or GoBuild APIs and microservices that power internal tools and research workflowsWork with Docker and cloud environments to deploy scalable systemsDesign relational schemas and manage database integrationsAutomate workflows across data, CI/CD,



and machine‑learning systemsCollaborate with product and design teams to define backend contracts for intuitive user experiencesContribute to observability, testing, and continuous delivery practicesWhat you’ll need:Two to five years backend development experienceStrong understanding of REST or gRPC service designExperience with Docker and familiarity with KubernetesProficiency with PostgreSQL or MySQL and schema designExperience automating or integrating workflows across multiple systemsSolid Git practices and experience with CI/CD toolsCloud experience with AWS or similar environmentsExposure to ML pipelines, model serving, or event‑driven architectures is a plusInterest in turning prototypes into stable production servicesIf you’re excited to work at the intersection of backend engineering, automation, and advanced AI workloads, we’d be glad to share more. If you’re motivated by creating clean, thoughtful interfaces that streamline complex workflows, we’d love to hear from you.In accordance with local employment laws, applicants must

📌 Backend Engineer (Madrid)
🏢 European Tech Recruit
📍 Madrid