About Alexis
French
Native or bilingual
English
Fluent
German
Conversational
Experience
- Self employedFREELANCE DATA SCIENTISTDecember 2025 - Today (6 months)Geneva, SwitzerlandWorking as a freelance data scientist on several data science projects. Data collection, data cleaning, RAG
- EXPEDIA GROUPMACHINE LEARNING SCIENTIST IIIJanuary 2023 - January 2025 (2 years)Geneva, SwitzerlandContinuation 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 GROUPMACHINE LEARNING SCIENTIST IIJanuary 2022 - January 2023 (1 year)Geneva, SwitzerlandDesigning 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 Lyon2018Data science, Artificial Intelligence, Computer Science and General Engineering
- classe préparatoire MPSI/MPSI*Lycée Kleber2014Mathematics and Physics