Cléophas FOURNIER

Data Scientist | AI Engineer

Salaire / Taux journalier

Paris, France

Freelance

Peut venir sur site

Expertises

PythonMachine Learningpandasscikit-learnPyTorchLLMs / Large language modelsData EngineeringGitHubVercelReactNextMakeTensorFlowNodeAzureData Science

Langues

Français (Maternelle)Anglais (Maternelle)Espagnol

À propos

Introduction

Data Scientist & ML Engineer specializing in AI and LLM optimization, with proven expertise at Crédit Agricole Group. Author of 12 Python optimization rules and expert in building RAG applications. Deliver production-ready AI solutions combining environmental awareness with cutting-edge ML techniques using PyTorch, Scikit-Learn, LangChain ecosystem and cloud infrastructure.

Liens

Expérience de travail

Lead Data & IA/ Python

Green Code InitiativeFreelance

mars 2025 - oct. 2025

8 mois

Lead Data & IA / Python – Projet Creedengo (Green Code Initiative) Création de règles d’éco‑code et coaching lors d’un hackathon sur l’éco‑conception logicielle.

AI Engineer

Crédit Agricole Group

mars 2025 - oct. 2025

8 mois

92120 Montrouge, France

Reviewed scientific literature and designed a method to estimate the environmental footprint of LLMs. Implemented an environmental footprint estimation plugin in the backend of a RAG-based application. Data classification workflows using GenAI models (Mistral 7B on GPU, Claude Sonnet via AWS Bedrock). Built a regression pipeline to predict LLM output length from input prompts, comparing an XGBoost baseline with a fine-tuned ModernBERT model. Developed 12 Python code optimization rules for SonarQube, integrated into the CI/CD pipeline. Served as Data/AI Lead for the Green Code Initiative association. Built a RAG agent to answer questions based on our responsible digital documentation.

Fullstack developer

Kadom SAS DeviensSuperHote

oct. 2024 - déc. 2024

3 mois

Rimini, Province de Rimini, Italie

Optimize concierge management operations through a scalable web platform: - Development of a Progressive Web App (PWA) to manage concierge activities using React and the Next.js framework - Creation of a data pipeline to collect information from multiple sources (Airbnb, Booking) - Implementation of automated workflows with Make, interacting with the application's API endpoints - Configuration of an automated CI/CD pipeline with GitHub and Vercel for continuous deployment

Data Engineer

CITiO

nov. 2023 - mars 2024

5 mois

Paris, France

Process Optimization: Improved monitoring and data integration through automation, reducing processing time. Technical Development: Contributed to the development of scripts for alert automation and data tracking. Reporting Innovation: Implemented a dashboard for real-time data modification and monitoring. Significant Impact: Strengthened CITiO’s operations, enhancing urban mobility and user experience.


Formation

EFREI - Grande école du numérique

Engineering degree, Digital & IT international section

2020 - 2025

6 ans

Asia Pacific University of Technology and Innovation (APU / APIIT)

Semestre d'études à l'étranger, Ingénierie informatique

2022 - 2022

5 mois


Licences et certifications

Certificat Voltaire

Délivré le : nov. 2025

Certifié par Certificat Voltaire

IT Specialist - Java

Délivré le : nov. 2024

Certifié par Certiport - A Pearson VUE Business

Attestation d'achèvement formation ISO 27005 Security Risk Manager

Délivré le : nov. 2024

Certifié par Skills4All - Spécialiste du digital learning certifiant

AWS Cloud Quest: Cloud Practitioner

Délivré le : nov. 2024

Certifié par Amazon Web Services (AWS)

Test of English for International Communication (TOEIC)

Délivré le : juil. 2024

Certifié par ETS

Microsoft Certified: Azure Fundamentals

Délivré le : avr. 2024

Certifié par Microsoft

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