? Capitole keeps growing, and we want you to grow with us! ?

We are looking for an AI Engineer to join an innovative team working on next-generation Generative AI applications for a leading international airline group.

In this role, you'll design, build, and deploy intelligent systems powered by Large Language Models (LLMs), helping transform the way users interact with data and AI-driven services.

If you enjoy working with the latest AI technologies in a collaborative Agile environment, we'd love to hear from you!

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 FastAPI.
- Build and maintain data pipelines using tools such as Apache Airflow.
- Deploy and manage AI workloads on AWS using services such as Bedrock, SageMaker, 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, including 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 LangChain, LangGraph, CrewAI, or similar.
- Solid experience designing and implementing RAG architectures.
- Experience working with LLM APIs such as OpenAI, AWS Bedrock, Anthropic, or similar.
- Knowledge of vector databases (Pinecone, OpenSearch, 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.

? Why Capitole?

? Our people come first. We believe in a more human approach, placing people at the heart of our company.

? Exciting projects, cutting-edge technologies, and agile methodologies.

? A positive working environment and a low employee turnover rate.

? €1,200 per year for training of your choice.

? Flexible working hours.

? More than 550 qualified professionals representing up to 24 nationalities.

? Private medical insurance.

? Adaptable compensation package.

? Plenty of exciting events and team-building activities.

⚽ 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!

Don’t know us yet? Discover Capitole!

https://capitole-consulting.com/

Feel free to send us your profile — we’re looking forward to meeting you! ☎️?

The employee will adhere to information security policies:

- Will have access to confidential information related to Capitole and the project they are working on.
- Must comply with the security policies and internal policies of the company and the client.
- Must sign an NDA.

📌 AI Engineer (Generative AI & LLMs) - Capitole (Barcelona)
🏢 Capitole
📍 Barcelona