Freelancer profile translated to English.

Description

Data Engineer & Analytics Engineer with a full-stack vision: capable of designing, industrializing, and orchestrating pipelines, data products, and end-to-end ML/IA solutions autonomously.

Industry field of expertise

Languages

French
Native or bilingual
English
Conversational

Workplace preferences

Can work on-site

Paris (up to 50km), Strasbourg (up to 50km), Lille (up to 50km)

IT EXViVO
Data Engineer
DIGITAL AND IT
December 2024 - Today (1 year and 8 months)
Redesign of an intensive search application:

Migration Oracle → MongoDB + S3 (MinIO) with 99.9% of data migrated and optimization of NoSQL schemas
Design of a real-time ETL via ksqlDB/Kafka for interoperability between MongoDB, OpenSearch, and Oracle
Docker on-premise deployment
Setup of real-time dashboards under OpenSearch Dashboard
Docker Products Apache Kafka Container Orchestration MongoDB Extract, Transform, Load (ETL)
TotalEnergies Marketing France (TMF)
Analytics Engineer
ENERGY AND UTILITIES
March 2024 - December 2025 (1 year and 8 months)
Nanterre, France
PoC of a Gen AI chatbot and a Web monitoring platform with NoSQL, RAG (Qdrant, Mistral LLMs), Micro-services with Python & FastAPI for the backend, Nuxt for the frontend
Management of the quality, reliability, and consistency of customer/transactional data for the Club TotalEnergies loyalty program (~ 1.6 million active customers, ~ 3 million transactions/month) hosted on SQL Oracle
Design of data collection and processing pipelines (SQL, Polars, Databricks, API Consumption)
Monitoring of data models for setting up ETL pipelines from AWS S3 to Databricks
Implementation of predictive and forecasting models (fraud detection, card stock forecasting, ...)
Evaluation, analysis, and projection of financial provisions for the Club TotalEnergies loyalty program
Creation of strategic Power BI dashboards (including one ranked in the top 60 reports of the group)
Python API Platform BI Strategy SQL Extract, Transform, Load (ETL)
Octopus Energy
Data Scientist Intern
ENERGY AND UTILITIES
June 2022 - September 2022 (3 months)
Saint-Denis, France
Analysis of the results of a consumption reduction campaign among the customer base: identification of involvement factors and behavior by cluster
Impact analysis of marketing actions (calls, emails, push notifications)
Data Collection and Analysis Python Machine learning Inferential Statistics