Data Science Lead

Position Title : Data Scientist Lead​

Department : Molecular Data Modeling​

Location : Toronto, ON

About the Job :

Ready to push the limits of what’s possible? Join Sanofi in one of our corporate functions and you can play a vital part in the performance of our entire business while helping to make an impact on millions around the world. We are seeking a highly skilled and experienced Lead Data Scientist to join our team. The ideal candidate will have a strong background in AI, LLMs, and machine learning models, and will be responsible for providing technical leadership to the team as well as contributing hands-on coding expertise.

We are an innovative global healthcare company with one purpose : to chase the miracles of science to improve people’s lives. We’re also a company where you can flourish and grow your career, with countless opportunities to explore, make connections with people, and stretch the limits of what you thought was possible. Ready to get started?

Main Responsibilities :

Provide technical leadership and direction to the data science team.

Collaborate with the project lead to define project goals and strategies.

Design, develop, and implement AI and machine learning models to support our information retrieval engines for diverse molecular and imaging data types.

Lead the development and optimization of large language models (LLMs) for various applications within the project.

Mentor and guide junior data scientists and team members.

Work closely with data engineers, bioinformaticians, and developers to integrate AI / ML solutions into the overall project architecture.

Communicate technical concepts and project updates to stakeholders and team members.

Qualifications :

Ph.D. or Master’s degree in Data Science, Computer Science, Bioinformatics, Computational Biology, or a related field.

3-5 years of industry experience in AI, machine learning, and large language models (LLMs).

Proven track record of leading data science projects and teams.

Strong programming skills in Python and experience with relevant libraries and frameworks (PyTorch, scikit-learn, etc.).

Experience with big data technologies (Hadoop, Spark) and data processing tools.

Excellent problem-solving and analytical skills.

Strong communication and leadership abilities.

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 and at least 14 weeks’ gender-neutral parental leave.

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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Pursue , discover

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, citizenship, marital status, ability or gender identity.

Watch our and check out our Diversity Equity and Inclusion actions at !