At ASTEK Iberia, we are looking for a Backend Engineer with a passion for Generative AI to join our fintech partner and help build scalable, secure, and high-performance AI-powered systems.Main responsibilities:
Bridge the gap between user-facing AI applications and core backend infrastructure by designing and maintaining robust services, GraphQL APIs, and data systems that power next-generation AI solutions on Azure.
Integrate LLM/AI APIs (e.g., OpenAI, Anthropic) into backend services and optimize response latencyDesign and develop GraphQL APIs using FastAPI and StrawberryArchitect and maintain relational databases, ensuring performance and data integrityCollaborate with DevOps/MLOps to containerize and deploy services using Docker and CI/CD toolsMonitor production systems and continuously improve performance, scalability, and cost efficiency
Who are you?
~ Degree in Computer Science, Software Engineering, or related field~1–2 years of experience (or strong internships/projects) in backend development or systems engineering~ Professional working proficiency in English