AI Engineer (LLMs & GenAI)

Barcelona (Hybrid: 2 days onsite)

About the Company

We are a growing AI innovation team within a integral organisation, focused on accelerating business value through cutting-edge artificial intelligence solutions. Working across multiple business units, we build scalable, production-grade AI systems that deliver real-world impact.

About the Role

We are looking for an AI Engineer to design, build, and deploy advanced AI/ML solutions. You’ll work on LLM-powered applications, multi-agent systems, and scalable data pipelines in a collaborative Agile environment.

Key Responsibilities

- Build and maintain LLM-based applications and multi-agent systems
- Develop and optimise RAG pipelines (ingestion, chunking, embeddings, retrieval)
- Implement and manage vector databases for semantic search
- Build data pipelines (ETL) to support AI use cases
- Develop backend APIs (Python/FastAPI) for AI services
- Deploy and manage AI workloads on cloud platforms (AWS, Kubernetes)
- Design evaluation frameworks for LLM performance (automated + human review)
- Collaborate with cross-functional teams to deliver AI solutions
- Contribute to Agile ceremonies and continuous improvement




- Mentor junior engineers and promote best practices

Requirements

- 3–5 years in software engineering, including 1–2 years in AI/ML
- Strong Python skills and experience with ML/LLM frameworks
- Hands-on experience with RAG systems and vector databases
- Experience with LLM APIs and orchestration tools
- Solid understanding of prompt engineering and evaluation techniques
- Cloud experience (AWS preferred)
- Experience with Docker/Kubernetes
- Familiarity with data pipelines (Airflow or similar)
- Experience working in Agile environments
- Strong problem-solving and communication skills

Nice to Have

- Multi-agent systems experience
- MLOps (MLflow, W&B;, CI/CD for ML)
- LLM observability tools
- Knowledge graphs or graph databases
- Infrastructure-as-code (e.g. Terraform)
- Experience in complex, enterprise environments

About You

- Passionate about AI and emerging technologies
- Strong analytical and critical thinking skills
- Comfortable working in fast-paced, ambiguous environments
- Collaborative and proactive mindset

📌 AI Engineer (Barcelona)
🏢 Talent
📍 Barcelona