Freelancer profile translated to English.

Description

Data Engineer with 8 years of experience, passionate about creating a positive impact using technology to make our lives easier and more enjoyable. I enjoy sharing my ideas and experiences for continuous improvement. I am always looking for ways to innovate and learn new techniques.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent
German
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

Crédit Agricole CIB (CACIB)
Lead / Data Architect Engineer – GCP
May 2025 - Today (1 year and 1 month)
Complete modernization of the Data platform via a centralized DataHub on GCP for financial business lines.

Architecture design of Lakehouse BigQuery (Bronze/Silver/Gold).

Ingestion + normalization pipelines in Python → storage Parquet + Iceberg on GCS.

Transformation via DBT, complete orchestration with Airflow.

CI/CD industrialization GitLab + unified Docker image (Python, DBT, Terraform).

Secure authentication via Workload Identity Federation.

Creation of Power BI dashboards for finance & risk teams.

Environment: GCP, BigQuery, Dataproc, DBT, Terraform, Airflow, Iceberg, Docker, GitLab.
Google Cloud Platform (GCP) PySpark Airflow Data Architecture Gitlab CI/CD
Société Générale - SGCIB
Tech Lead Data Engineer – Databricks / Azure
May 2023 - May 2025 (2 years)
Improvement of market data quality (Fidessa, GMI, Bloomberg, FOW) and migration of Spark workloads.

Spark/Scala development for data ingestion, cleaning, and delivery.

Delta Lake architecture (Bronze/Silver/Gold) on ADLS.

Spark optimization (partitioning, tuning) + unit tests ensuring quality & compliance.

Automated CI/CD with Jenkins.

Migration Spark 2.4 → 3.3 + implementation of Kubernetes solutions (AKS + Helm).

Support for business analysts + mentoring apprentices.

Environment: Spark 3.3, Scala, Azure, Databricks, DeltaLake, Jenkins, AKS, Oozie, Python.
Apache Spark Delta Lake Scala Process Optimization Azure AKS
DIRECT ASSURANCE
Tech Lead Data Engineer – Azure | Databricks
November 2022 - April 2023 (5 months)
Analysis & migration of a SQL Server database to Databricks.

Creation of distributed ELT architecture + Delta tables.

Transformation & storage in ADLS Gen2 (Bronze/Silver/Gold).

JSON export, Scala/Spark SQL notebooks.
Azure Data Factory Databricks Azure DevOps PySpark