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Flavien BouchéFB

Flavien Bouché

Data Engineer, Airflow · dbt · Python · ClickHouse

€500/day
Bordeaux, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Flavien

Senior Data Engineer · 7 years of experience in building, migrating, and ensuring the reliability of modern data platforms.

I recently built a data platform from scratch (Airflow, dbt, PostgreSQL, MinIO), migrated ~250 ETL/ELT pipelines without service interruption, integrated logistics providers, and managed a data team of up to 8 people.

Before that, I worked on data engineering, analytics, and reporting projects in e-commerce, logistics, and retail environments — contexts where pipeline reliability and data freshness are critical.

What I build for my clients:

→ Robust, monitored, and tested ETL/ELT pipelines (Airflow · dbt · Kafka)

→ Scalable data architecture adapted to your size and constraints

→ Legacy stack migration without service interruption

→ Real-time and streaming ingestion (Kafka · Redpanda)

→ Automated dashboards and reporting (Streamlit · Grafana · Power BI)

→ Data monitoring, alerting, and observability

→ Connection and integration between your systems (API, ERP, business tools)

Stack: Airflow · dbt Core · ClickHouse · PostgreSQL · Kafka · Redpanda · Python · Streamlit · MinIO · Docker · Grafana · Power BI

📂 Portfolio: portfolio.bouchedata.fr

📍 Remote · Bordeaux / Nouvelle-Aquitaine
  • French

    Native or bilingual

  • English

    Conversational

  • Spanish

    Basic

Can work on-site
Bordeaux (up to 40km)

Experience

  • Adopt Parfums
    Lead Data Engineer
    RETAIL (SMALL BUSINESS)
    March 2023 - June 2026 (3 years and 3 months)
    Cestas, France
    Data Engineer then Lead Data Engineer for over three years, I participated in the from-scratch construction of an open-source data platform to replace a legacy system based on Talend and SQL Server.
    My main responsibilities covered architecture, setting up data pipelines, modeling in Bronze, Silver, Gold medallion architecture, as well as industrializing CI/CD, monitoring, and documentation practices.

    Promoted to Lead Data Engineer, I supervised a team of 5 to 8 people and managed the migration of approximately 250 Talend ETL flows to Apache Airflow, without service interruption. I also contributed to the integration of three logistics providers with multiple data formats, as well as the realization of an internal AI POC with Dust.

    Technical Stack: Python, Apache Airflow, dbt Core, PostgreSQL, Power BI, MinIO, Grafana, Prometheus, Azure DevOps, RabbitMQ.
    Key Skills: Data Engineering, data architecture, ETL migration, orchestration, CI/CD, monitoring, team management, technical documentation.
    SQL Airflow
  • Cdiscount
    BI Developer
    E-COMMERCE
    March 2021 - February 2023 (1 year and 11 months)
    Bordeaux, France
    Design and development of Power BI dashboards for advertising campaign management for operational teams, sales, and management.

    I also developed a Python bot for automatic optimization of advertising campaigns, running 24/7. This tool automatically processed several tens of thousands of euros in revenue each day.

    Technical Stack: Power BI, Python, Selenium, BigQuery, Snowflake, Talend.
    Key Skills: Business Intelligence, automation, reporting, campaign optimization, data visualization.
    Big Query Snowflake
  • Ertus Group
    Data Analyst R&D
    WINE AND SPIRITS
    September 2020 - February 2021 (5 months)
    Bordeaux, France
    As part of the European IoF 2020 project, I exploited meteorological data from autonomous sensors to improve decision-making for winegrowers.

    The mission focused on two main areas: data cleaning, verification, and visualization, followed by the creation of predictive algorithms in Python.
    Technical Stack: Python.

    Key Skills: Data analysis, data cleaning, visualization, prediction, meteorological data.
    Python R&D

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Education

  • BI Developer Training
    DTA Ingénierie
    2020
    Formation Développeur BI
  • Master in Statistical and Stochastic Modeling
    University of Bordeaux
    2019
    Master Modélisation Statistique et Stochastique

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