Ahmed Tchagnaou

France

Data & AI Engineer · Data Engineering · Generative AI

What I work with

Experience

CGI — Société Générale

Data Engineer

Oct 2025 - Present

Paris

Hardening, optimizing and migrating enterprise batch pipelines (2–3 TB) under availability constraints

CGI — Covéa

Data Engineer · technical lead

Jan 2022 - Sep 2025

Tours

Hundreds of ingestion and transformation flows in a data lake, Talend 8 and CDP migrations

University of Tours

Research Assistant (NLP & Machine Learning)

Sep 2021 - Aug 2022

Blois

Applied research in sentiment analysis and document classification

Projects

RAG assistant and agent over a product backlog

RAG assistant and agent over a product backlog

Hybrid synthetic data generator

Hybrid synthetic data generator