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Alexis ColletteAC

Alexis Collette

Data and Machine Learning Scientist

€550/day
Genève, CH
3-7 years

Average response time: A few days

About Alexis

Full stack Data and Machine Learning Scientist, with 7 years of experience in various industries.

I can build fully automated data science pipelines tailored to your needs, or help you with a specific component, be it about data collection, machine learning models development, RAG implementations or data based reporting.

I offer a pragmatic, structured and data driven approach with a "simpler is better" mindset.
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Conversational

Can work on-site
Genève (up to 50km)

Experience

  • Self employed
    FREELANCE DATA SCIENTIST
    December 2025 - Today (6 months)
    Geneva, Switzerland
    Working as a freelance data scientist on several data science projects. Data collection, data cleaning, RAG
  • EXPEDIA GROUP
    MACHINE LEARNING SCIENTIST III
    January 2023 - January 2025 (2 years)
    Geneva, Switzerland
    Continuation of the previous position, with more complex projects and increased responsibilities in project and stakeholders management. Deep learning for causal inference with time series data, use of generative Al (LLM) to provide textual feedback based on reviews data (poc). Support to the engineering team during the prouctionalization of the different algorithms
  • EXPEDIA GROUP
    MACHINE LEARNING SCIENTIST II
    January 2022 - January 2023 (1 year)
    Geneva, Switzerland
    Designing causal inference algorithms based on observational (historical) data to estimate the incremental impact in terms of revenue of a variety of individual actions. Delivering recommendations for actions to the customer based on their impact on revenue. Keeping up with latest development and innovations in causal inference and machine learning in general. Writing production ready code and supporting the engineering teams during the automation of the pipelines.

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Education

  • Engineering Degree in Data Science (Masters)
    Ecole Centrale de Lyon
    2018
    Data science, Artificial Intelligence, Computer Science and General Engineering
  • classe préparatoire MPSI/MPSI*
    Lycée Kleber
    2014
    Mathematics and Physics

Skill set

Categories