Job Title and Location

Barcelona

Full time

R

AI Engineer

About the job

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.

About Sanofi

Sanofi is a global biopharmaceutical company dedicated to supporting people through their health challenges, committed to chasing the miracles of science to improve people's lives. Our team across some 100 countries transforms the practice of medicine – providing life‐changing treatments and life‐saving vaccines to millions globally, with sustainability and social responsibility at the center of our ambitions. Our values – Aim Higher, Act for Patients, Be Bold, and Lead Together – guide everything we do.

Main 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

About you

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 transferable
- 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

Why choose us?
- Frontier AI Engineering – Work on cutting‐edge agentic AI systems and real‐time AI decision‐making with general impact
- Reimagine Supply Chain – Transform how Sanofi's global supply chain operates from demand forecasting to logistics optimisation
- Global Impact – AI solutions directly influence availability of life‐saving medicines worldwide
- Cutting‐Edge Exposure – LangGraph, multi‐agent systems, RAG, generative AI in a team that actively explores emerging technologies
- Shape the Future – Contribute to the AI Engineering team's product roadmap and define AI‐driven operations in a global pharma leader
- Career Growth – Structured development programs, internal mobility, continuous learning resources within Sanofi's digital ecosystem
- Inclusive Culture – Diverse, mission‐driven team united by passion for AI and operational excellence
- Competitive Package – Attractive compensation, performance bonuses, comprehensive benefits




- Flexible Working – Hybrid work model supporting work‐life balance

#LI‐Hybrid #BarcelonaHub #SanofiHubs

Progress & Diversity Commitment

Better is out there. Better medications, better outcomes, better science. Progress doesn't happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. We are committed to equal opportunities for all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity.

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.

Compensation The salary range for this position is :43.600,00 - 65.400,00

Final compensation will be determined based on demonstrated experience, skills, location, and other relevant factors. Employees may be eligible to participate in Company employee benefit programs.

Company Culture

We are an R&D; driven, AI‐powered biopharma company committed to improving people's lives and creating compelling growth. Our team is guided by one purpose: we chase the miracles of science to improve people's lives. We want to build a healthier, more resilient world, and turn the impossible into the possible by discovering, developing, and delivering medicines and vaccines for millions of people worldwide.

Discover more about us visiting or via our movie We are Sanofi (a career that makes a difference).

Reinvention is in our DNA. It drove our evolution from a small French enterprise to a leading biopharma company.

Additional Company Information

We open the door for you to explore new opportunities, push your limits, and connect with people who are driven by shared purpose.

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