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Adrien BerchetAB

Adrien Berchet

Data scientist | Scientific software developer

€400/day
Saint-Gervais-les-Bains, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Adrien

Looking for an expert capable of transforming a complex scientific or technical problem into a reliable and exploitable software solution? I support R&D teams, laboratories, deeptech startups, and engineering departments in the development of numerical models, scientific computing software, and advanced data solutions.

With a PhD in fluid mechanics and as a lead scientific software developer, I have over 10 years of experience in projects with high mathematical and algorithmic intensity. I notably worked at the Blue Brain Project (EPFL) on the large-scale generation of synthetic neuronal morphologies, in close collaboration with researchers and engineers.

What I bring to you

  • Translation of scientific or business needs into robust numerical models
  • Development of performant, maintainable, and tested code
  • Improvement of the quality, performance, and readability of existing code
  • Effective interface between scientists, developers, and technical decision-makers
  • Methodological rigor from research, with a strong focus on validation

Areas of expertise

  • Scientific computing and numerical modeling
  • Particle methods, Lagrangian models, multi-scale simulations
  • Data science and synthetic data generation
  • Python (NumPy, Pandas, PyTorch, Dask), high-performance C/C++
  • Geometric and spatial data processing

Types of missions

  • Development of simulators and predictive models
  • Prototyping and industrialization of numerical models
  • Data processing and analysis pipelines
  • Optimization and parallelization (CPU, MPI)
  • Code modernization, refactoring, and scientific code validation
  • Technical documentation and user support
I work on consulting missions, exploratory prototypes, and long-term developments, with a high standard for scientific and software quality.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Saint-Gervais-les-Bains (up to 50km), Sallanches (up to 50km), Genève (up to 10km)

Experience

  • Ecole polytechnique fédérale de Lausanne
    Lead scientific software developer
    RESEARCH
    September 2020 - December 2024 (4 years and 3 months)
    Geneva, Switzerland
    • Development and implementation of numerical models for synthesizing neuronal morphologies.
    • Improvement of existing code within the team.
    • Liaison between scientists and project engineers.
    • Leading efforts to improve the quality of code developed within the team.
    • Support for users of software developed by the team.
    • Writing and publishing scientific articles.
    Git Python Data science
  • ForCity
    Modeling expert
    PUBLIC SECTOR
    March 2015 - September 2019 (4 years and 6 months)
    Lyon, France
    • Design of numerical models and algorithms related to urban modeling (transport, district heating network expansion, demographics, etc.).
    • Creation of prototypes and writing of model specifications.
    • Implementation and validation of numerical models and algorithms.
    • Participation in the coupling of different models for the design of a systemic urban model.
    • Simulation of application cases and analysis of results.
    • Guidance and contribution to the development of modeling and implementation chains for industrializing processes.
    Python Data science algorithms-and-data-structures C++
  • Institut Pprime
    PhD
    RESEARCH
    September 2011 - September 2014 (3 years)
    Poitiers, France
    • Modeling of sediment transport induced by tidal bores using Lagrangian methods.
    • Development of a particle method (method of moments) allowing the simulation of a particle cloud using only one numerical particle.
    • Development and parallelization of scientific computing codes and their coupling.
    • Participation in the development of the Simple Library of Image Processing library.
    • Application of methods to the study of porous media and "tidal bore" type flows.
    C++ algorithms-and-data-structures Parallelism and multithreading Fluid mechanics

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Education

  • PhD / doctorate in fluid mechanics
    University of Poitiers
    2014
    Modélisation par des méthodes lagrangienne du transport sédimentaire induit par les mascarets.

Skill set

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