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Mai RocheMR

Mai Roche

Supermalter

Data Engineer

€700/day
3 projects
Lyon, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mai

Passionate about Data and Big Data processing, I am capable of developing complex solutions using the main technologies on the market.
"Data will talk to you if you are willing to listen to 😊"
  • Vietnamese

    Native or bilingual

  • French

    Fluent

  • English

    Fluent

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

Experience

  • APOLLO | CODING LIFE
    Data Engineer
    August 2021 - December 2023 (2 years and 5 months)
    Lyon, France
    Data preparation for the application development team (creating data flows retrieved from various sources, data integration, updates, reporting, and exports...) with the aim of reporting and tracking billing and collection at Engie.
    SQL Server PowerBI Databricks Amazon S3 SQL Server Management Studio (SSMS)
  • ENGIE - Entreprises & Collectivités
    Data Engineer
    ENERGY AND UTILITIES
    January 2024 - Today (2 years and 5 months)
    Lyon, France
    Development of data ingestion and transformation jobs
    Definition of needs and specifications
    Ensuring production monitoring and fixing operational incidents
    Documenting and sharing knowledge with the entire team (presenting progress
    and achievements)
    PySpark Python Databricks Amazon S3 Github Copilot DBeaver Spark SQL
  • EXAKIS NELITE
    Data Engineer
    November 2019 - November 2020 (1 year)
    Lyon, France
    Data Engineer Consultant
    - Migration of databases (MySQL and PostgreSQL) to Azure cloud automatically then comparison of the 2 databases.
    - Architectures, development, integration, optimization, migration, automation
    - Python, ETL, MySQL, PostgreSQL, Azure Storage, Mysql Workbench, PgAdmin, Pycharm, Power BI, VM win10

    AI Data Consultant
    - Development of a model (custom vision) to detect people wearing masks and those not wearing them via a camera (vision ai dev kit)
    - Architectures, design, development, integration, optimization
    - Python, Azure resources (IoT hub, Stream Analytics, Storage Account), Power BI, Custom Vision

    .NET C# Consultant
    - Design and development of an Azure IoT platform capable of managing all Legrand connected products
    - Design, development, integration, optimization, unit tests, integration tests
    - Azure ecosystem (IoT Hub, CosmosDB, Azure Data Lake, Steam Analytics...), Visual Studio, Postman, Git, Azure Devops, C#, .NET, HTML, CSS, Bootstrap

Reviews

5.0

Out of 2 ratings

S

Sébastien

Head of Darwin delivery - Engie Digital - Plateforme Darwin

Less than 1 year project

-

Reviewed on 3/17/2026

Mai helped us with Databricks Data Engineering tasks. Autonomous, serious, and very knowledgeable about this technology, I recommend Mai's profile.
A

Anne-Sylvie

Data Engineer - ENGIE - Entreprises & Collectivités

Several months project

-

Reviewed on 12/10/2025

Quality work. Respect for deadlines. Does not hesitate to take on new projects and develop skills. Many thanks.

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Education

  • Master of Technology in Information Technology
    Université Paris 13
    2017
    Master's degree, Information Technology
  • Data AI Developer
    Simplon.co
    2020
    Développeuse Data IA

Skill set

Categories