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Sara Le LaySL

Sara Le Lay

Data Scientist / Junior MLE · Clinical Data Expert

€700/day
Paris, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sara

Clinical data expert (11 years) transitioning to Machine Learning Engineering. I combine field knowledge of the medical world, regulatory rigor (GDPR, GCP, CNIL) and ML development skills. Ideal for healthtech, pharma or CRO missions that need a bridge between data science and the clinical world.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • LIORA,
    Machine Learning Engineer Learner
    February 2026 - Today (4 months)
    92400 Courbevoie, France
    Advanced training in data science, data engineering, model development, and MLOps for designing scalable ML systems.
  • NOVARTIS PHARMA SAS,
    Clinical Project Manager
    January 2019 - January 2026 (7 years)
    92500 Rueil-Malmaison, France
    – Piloting national strategy in alignment with global teams, through rigorous KPI monitoring and optimized resource allocation.
    – Implementation and optimization of operational study startup pipelines, ensuring compliance with deadlines and EUCTR/GDPR regulations.
    – Deployment of standardized processes and reinforced quality controls, contributing to the improvement of data integrity.
    – Training and support of teams, fostering skill development and operational autonomy.
    – Development of multi-therapeutic expertise: Oncology, Dermatology, RLT, CAR-T, rare diseases.
    – Negotiation of study budgets and management of contractual portfolios (CDAs, CTAs, loan agreements).
    – Coordination of multidisciplinary and transnational teams, including the supervision of a billing unit in India.
  • CENTRE OSCAR LAMBRET DE LILLE
    Clinical Project Manager
    January 2015 - January 2019 (4 years)
    – Supervision of oncology studies, ensuring operational quality and regulatory compliance throughout the study lifecycle.
    – Management of regulatory submissions to competent French authorities (ANSM, CPP, CNIL).
    – Drafting and coordination of key study documents: protocols, synopses, informed consent forms, and monitoring visit reports.
    – Training and coaching of field teams on monitoring activities, data validation, and GCP compliance.
    – Management of external vendors (data management, biostatistics, logistics) to ensure data quality and timely delivery.

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Education

  • Machine Learning Engineer
    LIORA
    2026
    Machine Learning Engineer
  • PhD
    INRA AVIGNON/UNIVERSITY OF AVIGNON
    2014
    PhD

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