Data Scientist

Sanofi Group; Lyon; Hybrid; EUR 54,000 - 73,000; Full time

Benefits offered by this job

Fixed salary + incentive

Health insurance

Remote work up to 2 days/week

Public transport coverage

Mobility opportunities

Job summary

Sanofi Group in Lyon is seeking a Data Scientist to advance digital transformation across Manufacturing & Supply. You will work with real-time IoT data, build AI/ML models, and deliver production-ready solutions in a hybrid role (60% office / 40% remote).

The ideal candidate has strong coding skills, experience deploying ML/DL in production, and a track record across data mining, forecasting, and visualization. Collaboration with engineers and scientists is essential.

Qualifications

• Experience delivering deployable AI/ML solutions in production.
• Hands-on data mining with large, diverse data sources.
• Experience working in healthcare/biopharma is a plus.

Responsibilities

• Collaborate with business teams to translate requirements into technical specs.
• Develop ML/AI models, experiments, and production-ready code.
• Industrialize AI/ML solutions with MLOps practices.
• Lead data analysis, visualization, and storytelling to inform decisions.
• Mentor junior data scientists and analysts.

Skills

Deployable code

Production-ready software

ML/DL approaches

Big data / data mining

IoT / time series forecasting

Healthcare domain experience

Cross-functional collaboration

Data visualization storytelling

CI/CD / orchestration

Python / R

Education

PhD in quantitative field or MSc with strong coding

Tools

Tableau

Power BI

Streamlit

Plotly

SQL / NoSQL / Graph / TimeSeries DBs

APIs

Job description

Job title: Data Scientist

Location: Lyon

Hybrid: 60% office / 40% remote

Permanent: Fulltime

About the job

At Sanofi, we’re committed to transform the practice of medicine through break‑through science. Within Sanofi, Manufacturing & Supply (M&S) is the bridge between Science and Patients, ensuring all patients get their dose reliably, that new medicines are launched faster to cover unmet needs and that they can be delivered affordably across the globe. At Sanofi we are convinced that Manufacturing is, and must in the future increasingly be, a competitive advantage and that digital unlocks every next step in that journey. Join Sanofi Manufacturing & Supply (M&S): Where Innovation Meets Life‑Saving Impact in the Heart of Lyon! Imagine working in a vibrant startup environment, right in Lyon's bustling city center!

Sanofi M&S offers an unparalleled playground at the intersection of drug development, advanced manufacturing, and cutting‑edge AI. Here, you'll: Support 12 blockbuster launch teams and 40 global factories across R&D and M&S Work with real‑time IoT data from state‑of‑the‑art production and laboratory equipment Contribute to one of the strongest treatment pipelines in biopharma Collaborate with world‑class scientists, engineers, and experts driving digital transformation As part of our Digital M&S Accelerator, you'll develop high‑value digital products to:

• Accelerate yearly launches of 3-5 new blockbuster medicines (€1B+ annual revenue each)
• Create best‑in‑class digitalized "Lighthouse" factories
• Drive manufacturing performance to reduce costs by over €500M in the next five years

But wait, there's more! Your innovative journey takes place in a prime location: Embrace the startup vibe in our cutting‑edge office space Enjoy countless amenities right at your doorstep - from nice cafés to restaurants Benefit from excellent public transport connections for an easy commute Experience the perfect blend of work and life in one of France's most dynamic cities Ready to shape the future of biomanufacturing, make a real‑world impact on patients' lives, and do it all from an amazing location? Join us in Lyon and be part of something extraordinary!

Main responsibilities:

• Work with business teams to understand requirements, and translate them into technical needs
• Apply data science expertise in machine/deep learning, statistics, forecasting and optimization to multiple AI projects/products
• Gather/organise large & complex data assets, and perform relevant analysis to propose and implement relevant data models for each business case
• Build models, algorithms, simulations, and experiments by writing highly optimised code and using state‑of‑the‑art machine learning technologies
• Work on full‑spectrum of activities, from conducting ML experiments to delivering production‑ready models
• Use data analysis, visualisation, storytelling, and data technologies to scope, define and deliver AI‑based data products
• Work with developers, engineers, and MLOps to industrialise and deliver scalable AI/ML solutions
• Participate and contribute to the global data science community of practice
• Be accountable and responsible for the robustness of the AI solution
• Apply responsible AI framework and governance best practices such as monitoring, explainability, trustworthy, ethical
• Mentor junior data scientists and analysts providing guidance in career development and technical growth

About you

You are a dynamic data scientist interested in challenging the status quo to ensure development and impact of Sanofi's AI solutions for the patients of tomorrow. You are an influencer and leader who has deployed AI/ML solutions applying state‑of‑the art algorithms with technically robust lifecycle management. You have a keen eye for improvement opportunities and a demonstrated ability to deliver AI/ML solutions while working across different technologies and in a cross‑functional environment.

Experience:

• Experience developing deployable code and deploying models in product‑focused development under an agile environment
• Experience in production‑ready software development
• Track record of applying machine learning/deep learning approaches to solve various problems (commercial, industrial, research)
• Experience with database mining, big data, and large‑scale virtual screening
• Experience in a healthcare company is a strong plus
• Experience in IoT and timeseries forecasting is a plus

Soft skills:

• Excellent written and verbal communication skills
• Experience working with multiple teams to drive alignment and results
• Service‑oriented, flexible, positive team player
• Self‑motivated, takes initiative
• Problem solving & critical thinking

Technical skills:

• Expertise in business analysis, data visualisation and data storytelling
• Expertise with core data science languages (such as Python, R), and familiarity with different database systems (e.g. SQL, NoSQL, graph, timeseries)
• Expertise with sensitive data in critical environments (healthcare, defence, etc.)
• Expertise within most of the following areas: supervised learning, unsupervised learning, deep learning, LLMs, reinforcement learning, federated learning, time series forecasting, Bayesian statistics, optimisation
• Comfortable working in cloud and high‑performance computing environments (e.g. AWS, GCP, Databricks, Apache Spark)
• Hands‑on AI/ML modelling experience of complex datasets combined with strong understanding of theoretical foundations of AI/ML (CI/CD, Orchestration)
• Experience in data visualisation technologies and libraries of Tableau, Power BI, Streamlit, Plotly, seaborn or similar
• Experience with various enterprise‑level Application Programming Interfaces (APIs)
• Good knowledge of AI regulations

Education:

PhD in mathematics, computer science, engineering, physics, statistics, economics, or a related quantitative discipline with strong coding skills, OR Master’s Degree in relevant domain

Languages:

English, French

What we offer you:

• A fixed salary over 12 months, supplemented by a short‑term incentive, as well as a collective variable compensation based on Sanofi Group results
• Quality health insurance, extended maternity/parental leave (18/14 weeks), enhanced support in case of illness, teleconsultation and second medical opinion covered by Sanofi, as well as many other wellness programmes to discover here
• 31 days of paid leave + RTT depending on your status, remote work up to 2 days/week
• Public transport coverage up to 80%
• Group Savings Plan and PERCOL with employer matching, and PERO
• Internal and international mobility opportunities, learning & development opportunities
• Platforms dedicated to peer‑to‑peer recognition & service exchanges between Sanofi employees (carpooling, home exchanges, etc.), numerous CSE benefits

Why choose us?

• We provide a highly open and collaborative environment, with an opportunity to work with a world class team
• You will be able to: Learn what it takes to make a service with a truly global reach
• Be part of an organisation that values diversity, inclusion, and the richness of different backgrounds and experiences
• Engage in meaningful work that combines the challenges of pharma, manufacturing, environmental matters and technical fields, offering abundant opportunities for professional growth and impact
• Contribute to a company that is not only a leader in healthcare but also a pioneer in digital transformation, shaping the future of global health

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.

The salary range for this position is :€54,400.00 - €72,533 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 programmes. 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 around the world. Discover more about us visiting www.sanofi.com or via our movie We are Sanofi Start a career that makes a difference. Reinvention is in our DNA. It’s what drove our evolution from a small French enterprise to one of the world’s leading biopharma companies. Whether it’s using AI to shorten drug‑discovery times or building trust in healthcare, you could be helping our teams make life better for patients, partners, and communities. This is where you grow your career. We open the door for you to explore new opportunities, push your limits, and connect with people who are driven by a shared purpose: we chase the miracles of science to improve people’s lives.