AI Engineer

AI Engineer – Barcelona, Spain

As an AI Engineer within this team, you will design and build cutting‑edge agentic AI systems that reimagine how Sanofi’s global supply chain operates. You will architect and deploy intelligent, autonomous AI agents that automate complex supply‑chain workflows, unlock real‑time decision‑making, and drive operational excellence at scale.

Responsibilities

• Design and develop agentic AI systems that automate and optimize end‑to‑end supply‑chain workflows, including demand forecasting, inventory management, logistics, and procurement.
• Build multi‑agent architectures using frameworks such as LangChain, LangGraph, or equivalent.
• Develop AI‑powered decision‑making systems that enable autonomous or semi‑autonomous operations across supply‑chain processes.
• Integrate LLMs and generative AI capabilities into operational workflows to enhance intelligence, reasoning, and automation.
• Design and implement RAG (Retrieval‑Augmented Generation) architectures and vector database solutions to power knowledge‑grounded AI agents.

Qualifications

Education : Bachelor's or Master's degree in Computer Science, Data Science, AI/ML, Software Engineering, or a related quantitative field.

Experience : 3–5 years of hands‑on experience in AI/ML development or software engineering with working exposure to data engineering; proven experience building and deploying AI agents or multi‑agent systems in a professional environment; track record of delivering production‑grade AI or data solutions with measurable business impact.

Technical Skills :

• Programming: Python (proficient), SQL (advanced)
• Agentic Frameworks: LangChain, LangGraph or similar
• LLM & GenAI: AWS Bedrock, prompt engineering, RAG architectures, experience with OpenAI/other providers
• Vector Databases: Pinecone or equivalent
• Cloud Platforms: AWS or equivalent
• MLOPs: W&B, Weave or equivalent; model monitoring, CI/CD for AI
• DevOps: Git, CI/CD pipelines, Docker, Kubernetes

Benefits

• Frontier AI Engineering: Work on cutting‑edge agentic AI systems with genuine operational impact at global scale.
• Reimagine Supply Chain: Transform how Sanofi's global supply chain operates from demand forecasting to logistics optimization.
• Global Impact: Your AI solutions will directly influence the availability of life‑saving medicines for patients worldwide.
• Cutting‑Edge Exposure: Stay at the forefront of AI, exploring emerging technologies such as LangGraph, multi‑agent systems, RAG, generative AI.
• Shape the Future: Contribute to the AI Engineering team’s product roadmap and help define AI‑driven operations.
• Career Growth: Access to structured development programs, internal mobility and continuous learning resources within Sanofi’s digital ecosystem.
• Inclusive Culture: Join a diverse, mission‑driven team united by a passion for AI and operational excellence.
• Competitive Package: Attractive compensation, performance bonuses and comprehensive benefits.
• Flexible Working: Hybrid work model supporting work‑life balance.
• Salary Range: €43.600,00 – €65.400,00, with final compensation determined by experience, skills, location, and other factors; employees may participate in company benefit programs.

Equal Opportunity

At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity.