
General Medicines
Where bold ideas and groundbreaking science shape
the future
of care
Principal Data Scientist
At a glance
With us, you’ll break new ground across a growing and diverse portfolio – from established medicines that millions rely on to pioneering breakthroughs in immunology and chronic disease care. Imagine the scale: your work will help deliver treatments to people around the world who live with diabetes, cardiovascular disease, and complications arising from transplant.
Fueled by groundbreaking advances in technology, we are accelerating innovation and expanding access faster than ever. If you’re ready to push boundaries, embrace the power of AI and digital tools, and shape the future of healthcare, this is where your ambition meets impact.
R2809740 Principal Data Scientist
Department: Data Science and Applied AI, EDGE
Location: Toronto, ON
About the Job
Sanofi is a global leader in healthcare, dedicated to improving lives through scientific innovation. Our mission is to chase the miracles of science to improve people’s lives. We are expanding across borders and transforming healthcare for all. People are the most critical ingredient to our success.
Sanofi’s E.D.G.E. Team (Emerging Disruptive Growth Exploration) conducts cutting-edge research in healthcare and incubates data-driven solutions to improve health outcomes, support families, enhance clinicians’ experiences, and reduce healthcare costs. We are actively incubating multiple concepts to improve lives globally, especially for underserved populations.
We are seeking a Principal Data Scientist to provide expertise in modeling and data analytics to support various projects, including predicting disease onset using non-traditional data and approaches. This role involves employing advanced analytical and computational methods to drive data-centric and evidence-based product development.
We are an innovative global healthcare company with a focus on immunology that extends to innovation in diabetes and transplant medicine. Across different countries, our talented teams are determined to deliver a best-in-class customer experience using the best of digital, artificial intelligence and personal know-how. With a focus on immunology that extends to innovation in diabetes and transplant medicines, we pursue Progress to make a real impact on millions of patients around the world.
Main Responsibilities:
Leadership:
Provide scientific and technical leadership in machine learning and AI.
Act as a subject matter expert in machine learning, statistical modeling, and mentoring junior colleagues.
Champion advanced analytics results to non-technical audiences.
Innovation and Program Development:
Employ cutting-edge analytical approaches to drive digital, data, and pharmaceutical product development.
Develop computational and statistical methodologies for advanced analytics.
Operational Oversight:
Work closely with other disciplines across Sanofi to deliver cutting-edge analysis to key business questions.
Apply a broad array of capabilities spanning machine learning, statistics, mathematics, modeling, simulation, text-mining/NLP, and data-mining.
Cross-functional Collaboration:
Collaborate with internal and external data scientists to scope and execute advanced analytics projects.
Support the implementation of patient support strategies alongside other Sanofi teams.
About You
Minimum bachelor's degree (Master's/PhD preferred) in Statistics, Data Science, Mathematics, or related quantitative field.
6+ years (MS/PhD) or 8+ years (BS) experience in analytics, coding (Python, R, SQL), and statistical analysis.
Proficiency in advanced ML techniques, big data analytics platforms, and high-level ML libraries.
Experience with large-scale data structures, Vertical Federated Analytics, and prototyping in high-level languages.
Knowledge of NLP technologies and data visualization tools.
Software development experience in digital technology.
Excellent written and spoken English communication skills
Preferred Qualifications:
7 years of work experience using analytics to solve product or business problems.
Experience with biomedical data types, population health data, real-world data, or novel data streams relevant to the pharmaceutical industry.
Why Choose Us?
Bring the miracles of science to life alongside a supportive, future-focused team.
Discover endless opportunities to grow your talent and drive your career, whether it’s through a promotion or lateral move, at home or internationally.
Enjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact.
Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high-quality healthcare, prevention and wellness programs
This position is for a new vacant role that we are actively hiring for.
Sanofi is an equal opportunity employer committed to diversity and inclusion. Our goal is to attract, develop and retain highly talented employees from diverse backgrounds, allowing us to benefit from a wide variety of experiences and perspectives. We welcome and encourage applications from all qualified applicants. Accommodations for persons with disabilities required during the recruitment process are available upon request.
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All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs, and additional benefits information can be found here.
Les employés peuvent être admissibles à participer aux programmes d'avantages sociaux de l'entreprise. Des informations supplémentaires sur les avantages sociaux peuvent être trouvées ici.
Pursue Progress. Discover Extraordinary.
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. You can be one of those people. Chasing change, embracing new ideas and exploring all the opportunities we have to offer. Let’s pursue progress. And let’s discover extraordinary together.
At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, or gender identity.
Watch 'One day at Sanofi' and check out our Diversity Equity and Inclusion initiatives at sanofi.com
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Why work with us
- Do the never done before. We push the boundaries of what’s possible: expanding access, accelerating innovation, and finding new ways to improve everyday health for millions.
- Drive the transformation. We’re leading the shift to AI-powered healthcare, using digital tools to reinvent how medicines are developed, manufactured, and delivered worldwide.
- Deliver at scale. Our reach is unmatched—we bring trusted treatments to millions worldwide, ensuring broad access and real-world impact at every stage of care.
- Make an impact that matters. From tackling global health challenges to advancing sustainable, inclusive healthcare, everything we do is driven by purpose.
Who ignites your potential?
For Sam, it was her mom—teaching her to listen, push boundaries, and put patients first. At Sanofi, we know your inspiration drives your impact. Bring your passion, and together, we’ll chase the miracles of science.

"Each disease, each country, each person brings opportunities that challenge us to push the boundaries, to think of better ways to look at healthcare and pioneer new possibilities."

Olivier Charmeil
Executive Vice President, General Medicines
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