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Jérémie L.JL

Jérémie L.

Data Engineer

€700/day
1 project
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jérémie

4-5 years of experience as a Data Engineer. An engineer from Mines, I adapt very quickly to the environment in which I evolve. I have had the opportunity to work in very different companies (fintech, consulting firm, state operator), and discover many methods and work tools.

A Swiss Army knife, my expertise lies in data retrieval, harmonizing it by transforming it, and finally restituting it in a readable format for non-technical users. I have also often worked on setting up dashboards for business teams, to go all the way through the data utilization process. I am also capable of developing an application from end to end (dev, deployment, ...)

Technical Skills:

> Deployment and maintenance of datalake with python/dbt/GCP
> ETL processes to ensure an up-to-date, efficient, and relevant data lake for teams
> CI/CD processes via GitHub/Gitlab
> GCP cost monitoring and management
> GCP architecture design and maintenance
> Python expertise for data manipulation
> Data storage and archiving management (BigQuery, GCS, PostgreSQL...)
> Data retrieval via API and scraping with Python.
> Mastery of numerous data visualization tools (Looker, Tableau, PowerBI...)

Dev:
> Application development with React (Next.js)
> Frontend development with the State's design system
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

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

Experience

  • Cerema
    Data engineer, entrepreneur of public interest
    PUBLIC SECTOR
    September 2022 - September 2023 (1 year and 1 month)
    Paris, France
    > User research in tandem with a designer to understand the problems encountered by the target users
    > Identification of data and technical solutions to address the identified problems
    > Setup of a Postgres/Postgis database
    > Creation of an ETL (data, open, transformation, creation of an analytical database)
    > Creation of an API to make analytical data available (FastAPI, Docker, Cloud Build, Cloud Run)
    > Creation of an alpha data viz web app using the API built in Python (Streamlit)
    > Setup of a CI/CD process with Gitlab CI/CD
    > Development of a beta web app in Next.js
    PostgreSQL Python Document Research User Research FastAPI REST API Next.js React.js DBT
  • M13h
    Data Engineer
    CONSULTING AND AUDITS
    December 2020 - September 2022 (1 year and 8 months)
    Paris, France
    > Project management for numerous clients
    > Development of proprietary data retrieval pipelines (web analytics, advertising, ...) custom or via market ETL (Fivetran, Funnel, ...)
    > Setup of Cloud Data Warehouses (GCP, AWS, Azure)
    > Development of data transformation pipelines (DBT)
    > Deployments of services on GCP (Cloud run, Cloud functions, Compute Engine...)
    > Setup of CI/CD processes
    > Development of web apps (using Python frameworks Dash and Streamlit)
    Python Google Cloud Platform (GCP) Microsoft Azure Big Query DBT Apache Spark Dash AWS funnel Fivetran
  • Joko
    Data Operations Manager
    BANKING AND INSURANCE
    March 2019 - December 2020 (1 year and 10 months)
    Paris, France
    > Management of Joko's operations (data): monitoring the proper functioning of the application's services through the creation of dashboards using application data
    > Create and continuously improve internal processes to ensure the transition from 50k to 1M users
    > Responsible for the data quality of the application and the back office
    > Create and manage a database to feed internal dashboards
    > Technical referent for the product team: identification and specification of bugs, contribution to technical specifications for new product features
    AWS Amazon Redshift Amazon Quicksight Python SQL Data Analysis

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Education

  • Mines Engineer
    Mines Nancy School
    2019

Skill set (35)

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