Freelancer profile translated to English.

Description

Swiss Army knife of Data since 2008, I am here to bring you my experience and solutions to the challenges you will propose.

My professional and personal life is very full from 7 a.m. to 8 p.m. but thanks to the wonders of the modern world (Slack, Asana, Meet, Whatsapp, Jira, Zoom, Appear, etc.) this will really not be a problem.

So let's discuss your business and your goals.

Languages :

Python, Java, Shell, PHP, HTML / CSS, a touch of Go and a hint of Rust

Data :

Airflow, Tableau and Talend.

DevOps, Cloud, and Versioning:

AWS, Docker, Terraform, Git, and a bit of GCP

Databases:

Redshift, Postgres, Oracle, MySQL, MariaDB and MongoDB

Methods :

Agile, SCRUM, Lean and V-cycle

Industry field of expertise

Languages

English
Fluent
French
Native or bilingual

Workplace preferences

Can work on-site

Versailles (up to 30km), Rennes (up to 10km)

Doctolib
Senior Data Engineer
HEALTH AND WELLNESS
July 2019 - May 2025 (5 years and 10 months)
Paris, France
As a Senior then Principal Data Engineer, I contributed to the structuring, industrialization, and reliability of a growing company's data platform. I led major technical projects, managed hybrid data/BI teams, and supported the transition to robust delivery and governance practices.

Key missions:
Structuring Airflow usage: development best practices, DAG modularization, monitoring, refactoring

Implementing a robust CI/CD workflow with GitHub Actions, enabling automated daily deployment of DAGs and data jobs

Developing high-volume API ingestion pipelines, processing several million events per day

Implementing a secret management solution (key/value) with encryption via AWS KMS

Technical management of two product data squads, composed of data engineers and BI engineers, with support towards greater autonomy

Designing the real-time replication architecture via Kafka/Debezium (work on framing and design phase)

Maintenance and improvement of machine learning models in production

Participation in the migration to GCP, with proposals for anonymization solutions for sovereignty compliance

Stack & tools:
Python, SQL, Airflow, AWS (S3, Redshift, KMS, EKS), Kubernetes, Docker, Terraform, GitHub Actions, PostgreSQL, Kafka, Debezium, API ingestion (REST, OAuth), GCP (BigQuery, Dataflow – in migration)
Airflow Amazon Web Services Python Amazon Redshift Terraform
PMU
BI TMA Solution Manager for CGI
ENTERTAINMENT AND LEISURE
October 2016 - June 2017 (8 months)
Paris, France
Bash Scrum
leboncoin
Senior BI Engineer for CGI
E-COMMERCE
June 2017 - June 2019 (2 years)
Paris, France
Airflow Amazon Web Services Amazon Redshift PostgreSQL Python Spark Agile methodology