Oussama Elmerrahi

Senior Data Quality Consultant

Salary / Daily rate

Paris, France

Mobility: Brussels

Freelance

Can come onsite

Skills

Data AnalysisData VisualizationData EngineeringNumPyJavascriptpandasETLBig DataAIscikit-learnKerasPyTorchAzureSQL databasesSQL QueriesRPythonAWSMicrosoft SQL ServerDatabricksPySparkGoogle Cloud PlatformGitProduct StrategySAP CloudSAP Analytics CloudDatabase AdministratorApache SparkGitHubProduct ManagementA/B TestingPostgreSQLTalendTableauData AnalystNo-code AutomationsGrafanaMicrosoft Power PlatformPower BIMySQLPower AppsPower AutomateNo-code ApplicationsAgile CoachingOracle DatabaseKanbanScrumSAP ERP

Languages

English (Native)French (Native)

About me

Intro

AI & Data Strategy Consultant specializing in transforming data ecosystems into AI-ready platforms with proven leadership at DataNovaQ and global tech firms. Evaluated 10+ LLMs for Meta and Google AI, delivered 80% process automation at Cargill, and built scalable governance frameworks across industries. I help organizations build trusted data foundations with strategic roadmaps, robust governance, and actionable insights that drive measurable business impact.

Links

Work experience

Data Quality Consultant

DataNovaQFreelance

Oct 2025 - Present

1 year 1 month

Paris, France

I lead Data Strategy, Governance, and Engineering initiatives at DataNovaQ, helping organizations transform their data ecosystems into trusted, AI-ready platforms. Specializing in building scalable data foundations, I work with executives and data teams to design strategic roadmaps, implement robust governance models, and ensure data quality from source to insight.

Senior Data & LLM Reviewer

Scale AI

Nov 2024 - Dec 2025

1 year 2 months

I have contributed to the evaluation of 10+ large language models (LLMs) from leading tech companies such as Meta and Google AI. My primary responsibility was ensuring the safe, ethical, and responsible deployment of these models across various applications. Key Contributions: Model Evaluation & Testing: Conducted detailed assessments of LLMs for accuracy, bias, and ethical considerations, ensuring alignment with industry standards and regulatory requirements. Insights for ML & Product Teams: Generated actionable insights to help ML and product teams enhance model performance and refine data strategies for better results. Bias Detection & Mitigation: Collaborated with cross-functional teams to identify and address biases, ensuring fair and unbiased model outputs across diverse demographic groups. Collaboration: Worked with data engineers, AI ethicists, and product managers to implement ethical AI frameworks, optimizing both technical performance and social impact. Performance Optimization: Provided feedback on data quality and training methodologies, driving continuous model optimization for better accuracy and efficiency in real-world applications.

Cargill

Feb 2024 - Oct 2025

1 year 9 months

69340 Francheville, France

Data & Analytics Specialist

Sep 2024 - Oct 2025

1 year 2 months

69340 Francheville, France

I am responsible for deploying data solutions within the warehouse operations of the plant, ensuring seamless integration with diverse systems such as ERP platforms like SAP, Warehouse Management Systems (WMS), and Storage Management Systems (SMS), alongside ELECTROCLASS. I identify and define key performance indicators (KPIs) for the warehouse, ensuring accurate data collection, maintaining data quality, and delivering timely reporting for leardership. I create and maintain robust data architecture to efficiently store and utilize data, leveraging low-code solutions, as well as tools like Power Apps and Power Automate for robotic process automation (RPA). Through my expertise in data management and analytics, I deliver innovative, data-driven solutions that enhance warehouse operations and support strategic business goals.

Reliability Excellence Data Analyst

Feb 2024 - Oct 2024

9 months

69340 Francheville, France

At Cargill Saint-Cyr-en-Val site, I am currently managing a portfolio of three critical projects, focusing on automating and optimizing maintenance processes, integrating data systems, and enhancing analytics capabilities. Centralized and automated Maintenance and Repair Management Application: • Project Lead: Spearheading the development and implementation of a centralized application for the maintenance service and spare parts store. • Automation: Automating data entry processes with user-friendly forms and validation mechanisms, significantly reducing manual input errors. • Tracking and Management: Creating comprehensive tracking tables for ongoing repairs, budgets, warranties, and test logs. • Dashboards and KPIs: Developing interactive dashboards to visualize key performance indicators (KPIs) and repair analytics using Power BI. • Data Transfer Automation: Reducing data processing time by 80% through automated data flow integration using Power Automate, ensuring seamless data synchronization with the central database.

Data Analyst

Worldline

Sep 2022 - Mar 2023

7 months

69340 Francheville, France

• Database Design and Deployment: Led the creation and implementation of a database for a new internal transaction platform, focusing on robust data architecture and efficient integration. • Custom Dashboard Development: Engineered personalized dashboards for diverse teams like IT and Marketing, enabling effective monitoring and analysis of customer activities. • Machine Learning Model Development: Contributed to the development of a machine learning model for detecting anomalies in the system, enhancing system reliability and security. • Data Analysis for Client Activity: Conducted comprehensive analysis of client activities, providing key insights to inform strategic departmental decisions. Tools: SQL | Python | Excel VBA | Power BI | DAX | Pandas | Matplotlib | Seaborn | Salesforce .

Section Lead

IEEEXtreme

Mar 2021 - Jan 2022

11 months

IEEEXtreme is a global challenge and competitive programming hackathon, which is organized annually by the IEEE (Institute of Electrical and Electronics Engineers). This 24-hour competition brings together undergraduate, master’s, and PhD students, who are IEEE members, from across the world to solve a variety of programming and algorithmic problems. Selected for the prestigious role of Section Lead in the IEEEXtreme 15.0 Public Relations Team, I played a pivotal role in orchestrating the participation of over 10,000 individuals from 500+ universities across 50+ countries. This position demanded a high level of leadership, coordination, and motivation skills, especially in managing the intricate dynamics of the Morocco Section. Key Responsibilities: • Team Management and Engagement: Actively managed and motivated the Leads of my section's student branches, Student Ambassadors, and other volunteers, fostering a dynamic and productive environment. • Regional Coordination: Coordinated with other Region 8 Leads (Africa, Europe, and the Middle East) to streamline activities and ensure cohesive operations. • Volunteer Training: Conducted training sessions for volunteers, equipping them with necessary skills and knowledge for effective participation. • Progress Evaluation: Monitored and evaluated the progress of volunteers, ensuring that goals and benchmarks were met effectively. • Feedback and Issue Resolution: Identified and addressed issues, gathering feedback to enhance the volunteer experience and improve event outcomes. • Micro-Volunteering Initiatives: Engaged volunteers in micro-volunteering tasks, optimizing resource utilization and volunteer involvement.

Assistant Maintenance Manager

Renault Group

Jun 2021 - Oct 2021

5 months

Tangier, Morocco

• Data Traceability: Implemented a robust traceability system, enhancing data integrity and streamlining process analysis. • Dashboard Creation: Crafted comprehensive dashboards using advanced visualization techniques for strategic decision-making. • Data Extraction Automation: Engineered automated data extraction from the ERP, improving efficiency in data processing. Tools: Python | SQL | Excel VBA | Power BI | Power Query | SAP.


Education

Polytech Lyon

Engineer's degree

École Nationale des Sciences Appliquées de Fès

Engineering


Licenses & certifications

McKinsey.org Forward Program

Issued: Dec 2025

Certified by McKinsey & Company

Artificial Intellegence Policy

Issued: Dec 2025

Certified by Center for AI and Digital Policy

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