
Jaafar Benabderrazak
Senior Machine Learning Engineer
Salaire / Taux journalier
Paris, France
Mobilité : Île-de-France
Freelance, ouvert au CDI
Peut venir sur site
Expertises
Langues
À propos
Introduction
Senior Machine Learning Engineer with 6+ years specializing in LLM-powered intelligent systems and production ML. Currently architecting Text-to-SQL platforms and AI diagnostic solutions at Stellantis, with proven success reducing fraud by 79% at SNCF and implementing MLOps pipelines across automotive and financial sectors. Expert in AWS, LangChain, RAG frameworks, delivering scalable AI systems that transform complex data into actionable business insights.
Expérience de travail
Data & AI Architect
Crédit Agricole Technologies et Services
nov. 2025 - Présent
1 an
Paris, France
Leading architectural initiatives for next-generation AI integration protocols and multi-agent coordination patterns within enterprise banking infrastructure. - Architected design patterns for Model Context Protocol (MCP) enabling seamless AI agent orchestration across distributed systems. - Drove proof-of-concept implementations for Agent-to-Agent (A2A) protocol, establishing communication standards for autonomous service coordination. - Delivered technical blueprints for scalable AI infrastructure supporting compliance-first financial services environments. - Collaborated with cross-functional teams to define best practices for agentic workflows and LLM system integration at enterprise scale.
Data Reply FR
févr. 2025 - Présent
1 an 9 mois
Paris, France
Sr.MLE @Stellantis Financial Services🚙
mars 2025 - Présent
1 an 8 mois
Paris, France
Intelligent Query System - Architected and developed a Text-to-SQL conversion system enabling non-technical users to query complex financial databases using natural language - Integrated semantic parsing capabilities to accurately translate business queries into optimized SQL code - Built comprehensive evaluation framework to measure system performance across accuracy, latency, and user satisfaction metrics - Technologies: Python, AWS Lambda, LangChain, OpenSearch, RAG Framework, Fine-tuned Language Models, AWS Bedrock
Sr.MLE @Stellantis🚙
févr. 2025 - Présent
1 an 9 mois
Paris, France
- Engineered an LLM-powered diagnostic system for vehicle sensor networks that identifies, classifies, and explains anomalies to technicians - Developed a knowledge retrieval pipeline that automatically connects detected anomalies with relevant troubleshooting documentation and repair procedures - Implemented root cause analysis capabilities that translate complex sensor data into clear, actionable insights for maintenance staff - Reduced diagnostic time by enabling technicians to rapidly understand issues through natural language explanations of technical sensor data
Data scientist/Machine Learning Engineer
Groupe SNCF
sept. 2024 - mars 2025
7 mois
Paris, France
Design and deployment of a fraud detection system using ML for the TER network, achieving the following results: - Developed a complete pipeline integrating 7+ data sources (ticketing, weather, events, socio-economic) with 200+ features generated. - Achieved a fraud detection rate of 79% and an F1-score of 0.73 through binary classification (AUC-ROC > 0.85). - Created regression models to estimate potential fraud volumes with RMSE < 15%. - Implemented automated systems for data collection, cleaning, and monitoring. - Produced actionable insights on temporal patterns and socio-economic factors influencing fraud.
Machine Learning Engineer
GRTgaz
juin 2023 - déc. 2024
1 an 7 mois
Paris, France
- Image Search Optimization at Excavation Sites : Developed a machine learning algorithm to automatically classify images as "excavations" or "non-excavations." Integrated the model into the database to process both existing and new images. Implemented an advanced search tool for efficient filtering and retrieval of classified images. Automated the image classification process, significantly reducing manual sorting efforts. - Gas Propagation Tool ; Created Python models to predict gas dynamics in pipelines using time series data. Standardized and integrated data from various stations for uniform analysis. Established automated processes for running predictive models using AWS Lambda. Leveraged AWS S3 for secure and organized data storage. - Doc and Code Chatbot (LLM) : Managed the development and deployment of a chatbot for querying documentation stored on Confluence. Oversaw project management tasks, including operational coordination and team workload planning. Provided regular reporting on project progress to stakeholders. - Maintenance and Support for Prediction Tools: Implemented continuous monitoring of prediction tools to proactively identify and resolve issues. Organized training sessions on tools and best practices for data scientists. Provided support for debugging and optimizing scripts and models. Adopted software development principles like Test-Driven Development (TDD) for ML model code, enhancing quality and maintainability. Technical Environment: Dataiku DSS, Docker, AWS, CI/CD, GitLab, AWS Bedrock
LexisNexis - Machine Learning Engineer 🚀
Devoteam | AWS Partner
sept. 2022 - juil. 2023
11 mois
Set up an MLOps platform to streamline machine learning operations. Refactored Python code to improve efficiency and readability. Implemented CI/CD pipelines using GitLab for seamless development and deployment. Developed complex MLOps pipelines using ZenML, DVC, and MLflow. Managed infrastructure using Terraform and AWS services, including AWS SageMaker. Technical Skills: AWS, MLflow, DVC, Git, Docker, MLOps, Python, Terraform, ZenML, AWS SageMaker, Kubernetes, Scikit-Learn
CGI
avr. 2019 - août 2022
3 ans 5 mois
Paris, France
Generali - Data Engineer 🌟
août 2021 - août 2022
1 an 1 mois
Paris, France
Performed data loading and preparation using PySpark and Hadoop. Developed solutions to detect internal and external fraud, creating relevant alerts for financial agents. Automated complex data processes using Python. Interacted with Neo4j databases to extract valuable insights. Technical Skills: PySpark, Python, Neo4j, Hadoop, Git, Shell Scripting
BPI France - Data Scientist 📈
mars 2021 - juil. 2021
5 mois
Paris, France
Worked on the DOCEYE project, focusing on document analysis and processing. Explored and analyzed high-value data themes to support business objectives. Developed machine learning and deep learning models for extracting handwritten information. Implemented text analysis techniques to enhance data extraction accuracy. Technical Skills: Machine Learning, Optical Character Recognition (OCR), Python, Computer Vision, NLP
AG2R- La Mondiale - Data Scientist 💼
déc. 2020 - mars 2021
4 mois
Paris Area, France
Delivered a machine learning proof of concept (POC) for OCR and document classification. Applied natural language processing (NLP) techniques for text analysis. Utilized OCR technologies such as Tesseract and YOLO for image recognition. Optimized and parallelized data processing tasks using PySpark. Technical Skills: Machine Learning, PySpark, NLP, OCR, Python, Computer Vision
DGFiP- Data Scientist
avr. 2019 - déc. 2020
1 an 9 mois
Paris Area, France
Engaged in multiple machine learning projects within the financial department. Specialized in NLP for topic detection, sentiment analysis, email routing, and word embeddings using tools like NLTK, Word2Vec, LDA, SpaCy, and Gensim. Developed predictive models using Logistic Regression, Random Forest, XGBoost, and LSTM with Scikit-Learn and Keras. Created data visualizations and Python applications to derive actionable insights. Developed web solutions using Flask for deploying machine learning models. Implemented parallelization and optimization techniques using PySpark. Conducted training sessions on statistics and reinforcement learning for the data science team. Technical Skills: PySpark, NLP, Python, Flask, Machine Learning Frameworks, GitHub
Internship
Umanis
févr. 2018 - juil. 2018
6 mois
Casablanca Prefecture, Morocco
Contributed to the development of a decision support web application for remuneration management for "Stanhome." Conducted client needs analysis and requirements gathering. Developed reports and data packages to support business decisions. Identified and resolved system anomalies, enhancing application reliability. Designed and executed unit tests; participated in integration testing. Assisted in software deliveries and production releases. Authored functional and technical documentation. Supported user acceptance testing (UAT) and provided end-user training. Technical Skills: .NET, SSRS, SSAS, SSIS, JavaScript, AJAX, T-SQL, SQL Server, Visual Studio
SAHAM Assurance - Technical Internship 🖥️
SAHAM Assurance
juil. 2017 - oct. 2017
4 mois
Casablanca Prefecture, Morocco
Implemented a decision support system for monitoring Bancassurance activities. Collaborated with business units to define requirements and develop necessary tools. Technical Skills: MSBI (SSIS, SSAS), Power BI, SQL Server
YOUPEL - Technical Internship 🦷
YOUPEL
avr. 2017 - juil. 2017
4 mois
Tanger, Maroc
Developed a web application using PHP and Laravel for dental clinic management. Technical Skills: PHP, Laravel, Web Development
ONEE-Branche Eau - Technical Internship 💧
ONEE-Branche Eau
juil. 2016 - oct. 2016
4 mois
Casablanca Prefecture, Morocco
Created a dynamic ASP.NET web application for managing vacation center requests for employees. Streamlined the process of managing stays at various vacation centers. Developed features for users to create requests, view statuses, and access history. Implemented functionalities for administrators to manage accounts and center details. Technical Skills: ASP.NET, Web Application Development
Agence Nationale des Ports (ANP) - Initiation Internship ⚓
Agence Nationale des Ports (ANP)
juil. 2015 - août 2015
2 mois
Casablanca, Maroc
Participated in the modeling of a billing management system to improve operational efficiency.
Formation
Université Claude Bernard Lyon 1
MSc Data Science
2018 - 2019
2 ans
Centrale Lyon
Engineer's degree, Data Science
2016 - 2019
4 ans
CPGE Alkhansae
Licences et certifications
Building Resilient Streaming Analytics Systems on Google Cloud
Délivré le : nov. 2025
Building Batch Data Pipelines on GCP
Délivré le : nov. 2025
AI Agents Fundamentals
Délivré le : août 2025
AWS Certified Solutions Architect – Associate
Délivré le : janv. 2023
AWS Certified Cloud Practitioner
Délivré le : janv. 2023
AWS Certified Machine Learning – Specialty
Délivré le : janv. 2023
Dataiku Core Designer
Délivré le : mai 2022
Natural language processing
Délivré le : oct. 2021
Google TensorFlow Developer Certificate
Délivré le : oct. 2020
Natural Language Processing in TensorFlow
Délivré le : sept. 2020
Introduction to TensorFlow for Artificial Intelligence, Machine Learning, and Deep Learning
Délivré le : sept. 2020
DeepLearning.AI TensorFlow Developer
Délivré le : sept. 2020
Convolutional Neural Networks in TensorFlow
Délivré le : sept. 2020
Structuring Machine Learning Projects
Délivré le : avr. 2020
Convolutional neural networks
Délivré le : avr. 2020
Neural Networks and Deep Learning
Délivré le : janv. 2019
Machine Learning A-Z™: Hands-On Python & R In Data Science
Délivré le : janv. 2019
Toefl - Test of English as a Foreign Language, score: 103/120
Délivré le : oct. 2017
Toeic - Test of English for International Communication, score: 920/990
Délivré le : juil. 2017
Delf - Diplôme d'études en langue française, score: 89.5/100
Délivré le : oct. 2016