Capitole continues to grow and offers a role as an AI Engineer focused on generative AI applications for a leading international airline group. What you'll be doing Design, develop, and maintain LLM-powered applications and multi-agent AI systems. Build and optimize Retrieval-Augmented Generation (RAG) pipelines, including document ingestion, chunking, embeddings, and semantic search. Implement and manage vector databases to enable efficient AI-powered information retrieval. Develop scalable backend services and APIs using Python and Fast API. Build and maintain data pipelines using tools such as Apache Airflow. Deploy and manage AI workloads on AWS using services such as Bedrock, Sage Maker, Lambda, S3, and Aurora. Evaluate and improve LLM performance through automated testing and human-in-the-loop validation. Collaborate closely with Product Managers, Data Engineers, and business stakeholders to deliver innovative AI solutions. Mentor junior engineers and contribute to AI engineering best practices. Stay up to date with the latest trends in Generative AI and continuously explore new technologies. What we're looking for 3–5+ years of experience in Software Engineering, with at least 1–2 years focused on AI/ML or Generative AI. Strong programming skills in Python.



Hands‑on experience building LLM-based applications using frameworks such as Lang Chain, Lang Graph, Crew AI or similar. Solid experience designing and implementing RAG architectures. Experience working with LLM APIs such as Open AI, AWS Bedrock, Anthropic, or similar. Knowledge of vector databases (Pinecone, Open Search, pgvector, or equivalent). Experience with AWS Cloud services. Experience with Docker and Kubernetes. Familiarity with data orchestration tools such as Apache Airflow. Experience working in Scrum/Agile environments. Strong communication, analytical, and problem‑solving skills. Security Policies Will have access to confidential information related to the company and the project. Must comply with the security policies and internal policies of the company and its clients. €1,200 per year for training of your choice. Adaptable working hours. More than 550 qualified professionals representing up to 24 nationalities. Capitole-sponsored football team. Technology communities where you can share your knowledge and ideas with other teams. Sharing knowledge across the company is essential to us! #J-18808-Ljbffr

📌 Ai Engineer (Generative Ai & Llms) (Barcelona)
🏢 Capitole
📍 Barcelona