Freelancer profile translated to English.

Description

I design and implement scalable data solutions that transform raw data into actionable decisions.

From creating ETL/ELT pipelines (Python, Airflow, SQL, dbt) to data modeling and cloud infrastructure (GCP, BigQuery, Terraform, IAM, KMS), I develop reliable, secure, and high-performing systems.

An autonomous, rigorous, and curious professional, I am fully committed to each project to deliver concrete and impactful results, adapted to business and analytical needs.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent
Spanish
Native or bilingual

Workplace preferences

Can work on-site

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

Exotec,Croix
DATA ENGINEER
September 2025 - Today (9 months)
Design and deployment of data ingestion pipelines with Airflow, Python, SQL, and Git
Ingestion, processing, and transformation of high-volume application logs on Azure for analytics
Migration of datasets to a modern, scalable, and reliable cloud architecture on GCP
Contribution to the design, optimization, and modeling of the data architecture for analytics and reporting
Implementation of Infrastructure as Code (Terraform) to efficiently provision cloud resources
Creation of secure pipelines for sensitive data, with encryption/decryption via Google Cloud KMS
Management of IAM roles and access policies to ensure security and governance
Preparation of pipelines for AI/GenAI projects, ensuring consistent and reliable datasets for AI applications
Airflow Google Cloud Platform (GCP) Git Data migration
Exotec,Croix
DATA ANALYST
March 2025 - August 2025 (5 months)
Creation and maintenance of an Analytics Hub centralizing Data assets for the Data team
Interface development via PowerApps and Power BI
Retrieval and integration of data from BigQuery, dbt, SQL, and REST API
Power BI
Collaboration and project sharing via Git and internal communication tools
Microsoft Power BI DBT Data visualisation SQL Big Query
ETMFSud,Toulon
DATA SCIENTIST
March 2024 - July 2024 (4 months)
Random Lake, WI, USA
Creation of predictive models to estimate accident risk (Random Forest)
Detection and correction of misclassified elements using supervised models
Development of APIs for model deployment (FastAPI, Docker)
Project management: tracking, coordination, and delivery of data deliverables
Docker API Machine learning Predictive analysis

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Computer Science and Statistics Engineer
Lille Polytech Lille
2025
Ingénieur Informatique et statistiques polytech
Maths Physics Preparatory Class
Lycée Albert Chatelet
2022
Prepa Maths Physique

Check out Tristan's education

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