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Maxime LoyezML

Maxime Loyez

Data Engineer

€500/day
Lille, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Maxime

Developer and Data Engineer for several years in Python and Spark, I support my various clients in managing and transforming their data through Big Data technologies.

  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Décathlon
    Data Engineer
    SPORTS
    October 2024 - December 2024 (2 months)
    Croix, France
    In an agile and cloud context (Databricks on AWS), participation in the development of robust data pipelines for a strategic project. Design of development notebooks, creation of Pyspark data flows orchestrated via Airflow, and automation of deployments via GitHub Actions.


    Main achievements:
    • Implementation of tests with Great Expectations to ensure data quality.
    • Creation of Makefiles to simplify local tests and checks.
    • Implementation of CI/CD via GitHub Actions to ensure reliable deployments.
    • Creation of data flows in pyspark within Airflow
    • Addition of Github Action to automate deployments + code control
    PySpark AWS Databricks Agile methodology
  • OVHcloud
    Data Engineer OVH
    TELECOMMUNICATIONS
    September 2023 - August 2024 (1 year)
    Roubaix, France
    Context:
    The goal was to provide data expertise and support teams in setting up data flows in Spark (Scala and Pyspark) as well as in automating and optimizing data flows (via Airflow).

    Activity:
    - Adaptation of SQL queries (under Dremio) to Spark
    - Deployment and automation of data flows via Airflow
    - Development of data flows in Spark (pyspark/scala) / Python
    - Use of APIs for data retrieval / implementation of probes for automated monitoring

    Tools and technologies:
    - Dremio / Tableau / Dataiku / Jupyter
    – Git / Jira
    - Airflow / Spark (scala / pyspark) / Python / SQL
    – Bash / Hadoop / Hive
    - Agile
    SQL Scala PySpark Airflow Linux
  • Le Groupe La Poste
    BI Consultant
    HEALTH AND WELLNESS
    December 2022 - May 2023 (6 months)
    Guyancourt, France
    Intervention within the framework of a Dremio-Tableau POC
    - Skill development for the team that would be in charge of the Dremio application.
    - Load testing
    - Implementation of Dashboards in Tableau based on different volumes.
    - Implementation of VDS in Dremio

    Support for data analysts on Pyspark to optimize their data processing.
    Dremio PySpark Python

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Education

  • BTS, Computer Science and Networks for Industry and Services
    Ozanam
    2014
    BTS, Informatique et réseaux pour l'industrie et les services

Skill set (20)

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