apprenticeship 12 months – biostatistician & data scientist Full-time NEW

Apprenticeship 12 Months – Biostatistician & Data Scientist

Location: Vitry-sur-Seine

Starting date: September 2026

About the Job

As a biostatistician and data scientist apprentice within our Biomarker Statistics Team, you'll join a young, dynamic, and international team of statisticians and bioinformaticians working on advanced statistical methods for clinical trials. Ready to start?

Ready to grow your skills while helping shape the future of healthcare? At Sanofi, you'll be empowered to learn, ask questions, and bring your ideas to life – all while supported by inspiring mentors and collaborative teams.

We're an R&D-driven, AI-powered biopharma company committed to improving people's lives and delivering compelling growth. Our deep understanding of the immune system – and innovative pipeline – enables us to invent medicines and vaccines that treat and protect millions of people around the world. Together, we chase the miracles of science to improve people's lives.

Main Responsibilities

• Participate in the design and the conduct of a comprehensive simulation study to systematically evaluate how well our methods can estimate personalized treatment effects when working with limited data
• Support us to provide practical recommendations for method selection in small-sample pharmaceutical settings
• Contribute to benchmark causal forest and traditional methods across a range of sample sizes and data-generating scenarios using existing tools developed within the team
• Collaborate to evaluate potential enhancements: Bayesian approaches, regularization strategies

About You

• Soft and technical skills: rigor, curiosity, and autonomy. Knowledge with R programming for statistical and skills in machine learning analysis. Familiarity with simulation studies is a plus
• Education: bac +5 in statistics, biostatistics, or mathematics
• Languages: English fluent

Why Choose Us?

• Launch your career with a company that invests in you — and empowers you to reimagine what's possible.
• Build your future with access to the latest tools, digital innovation, and continuous learning that keep you ahead of the curve.
• Grow in a purpose-driven company where your voice matters and your work helps improve millions of lives.
• Thrive in inclusive, flexible workplaces that support your personal and professional well-being.
• Enjoy attractive remuneration and access to a wide range of benefits (profit-sharing, Employee Share Ownership Plan, CSE social activities).
• Benefit from 31 days of vacation per year and 5 paid “exam preparation” days, depending on your apprenticeship contract.
• Our recruitment process is designed to be fast and efficient. If your application is accepted, you will receive a call from our recruiter for an initial telephone interview, followed by a quick meeting with the manager.

At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law.