Freelancer profile translated to English.

Description

Data Engineer Consultant specializing in the design of modern data platforms, the industrialization of ETL/ELT pipelines, and the automation of data processing on Cloud environments.

I assist companies in designing reliable, performant, and scalable Data solutions, from data ingestion to their availability for business teams, BI, and analytics.

Areas of Intervention

Design and industrialization of ETL/ELT pipelines

Orchestration and automation of data workflows

Data Lake / Lakehouse Architecture

Data Modeling (Data Warehouse, DataMart, Star Schema)

Optimization of processing performance and SQL queries

Development of dashboards and datasets for Business Intelligence

Technical Environment

Python

SQL

GCP

Databricks

Apache Spark

Apache Airflow

BigQuery

Power BI

TypeScript

REST APIs

I work with both technical and business teams to design robust data platforms, improve data quality, and accelerate the delivery of reliable indicators.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 20km)

SENEDATA
Data Engineer | GCP • Databricks • Python • Spark
SOFTWARE PUBLISHING
June 2025 - Today (1 year and 2 months)
Paris, France
Design and development of a data platform for integrating, transforming, and leveraging e-commerce data.

Tasks Performed:
Design and development of ETL/ELT pipelines for multi-source data integration.
Data Lakehouse architecture with Bronze / Silver / Gold organization.
Development of distributed processing with Databricks and Apache Spark.
Creation of Delta Lake tables for analytical data storage.
Development of notebooks and automation of processes with Python.
Calculation of business KPIs and population of datasets for Power BI.
Optimization of processing performance and data quality.
BigQuery Databricks Airflow Python Power BI DAX
Nomadvantage
Data Engineer | Python • SQL • Airflow
SOFTWARE PUBLISHING
August 2018 - May 2025 (6 years and 9 months)
Paris, France
Participation in the design and industrialization of data processing solutions for business applications and CRM.

Main Tasks
Design and development of ETL pipelines for multi-source data integration.
Development of orchestration workflows and process automation.
Development of Python scripts for data integration and transformation.
Design and optimization of SQL queries for processing large volumes of data.
Modeling and preparation of datasets for analytical and decision-making purposes.
Optimization of processing performance and improvement of data quality.
Participation in the maintenance and evolution of data platforms.
Airflow Python ETL Data Quality Data Modeling
Natixis
Data Engineer | SQL • SSIS • SSAS
BANKING AND INSURANCE
February 2017 - January 2018 (11 months)
Paris, France
Participation in the development and evolution of decision-making solutions in a banking environment.

Main Tasks
Design and development of ETL pipelines with SQL Server Integration Services (SSIS).
Analytical data modeling with SQL Server Analysis Services (SSAS).
Development and optimization of SQL queries for data processing.
Integration and transformation of data from multiple systems.
Data quality control and process validation.
Provision of datasets for reporting and decision-making analysis.
Participation in testing, deployment, and maintenance phases of data flows.
SQL SSIS SSAS Data Warehouse Reporting