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AI Engineer
+ _Location: Barcelona, Spain_
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 integral 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
Agentic AI Systems Development
+ 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

- multi‑agent architectures, LLM integration, and real‑time AI decision‑making
- with genuine operational impact at global scale+




Reimagine Supply Chain
: Be part of a pioneering team
transforming how Sanofi's global supply chain operates
through AI
- 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
- LangGraph, multi‑agent systems, RAG, generative AI
- in a team that actively explores and adopts emerging technologies+
Shape the Future
: Contribute to the
AI Engineering team's product roadmap
and help define what AI‑driven operations look like in a global pharma leader+
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#LI‑Hybrid #BarcelonaHub #SanofiHubs
Pursue
_progress_
, discover
_extraordinary_
Better is out there.

Better medications, better outcomes, better science.

But 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.

So, let's be those people.At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age,

📌 Senior Platform Engineer (Barcelona)
🏢 Engg
📍 Barcelona