Freelancer profile translated to English.
Back to original languageAbout Baye Modou
Analytics Engineer / Data EngineerCertified Google Cloud (GCP), specializing in the design and automation of cloud-native data pipelines. I work onBigQuery,Dataform,Cloud Composer (Airflow), andDataflowenvironments to build performant, reliable, and scalable data warehouses. I support business teams through BI dashboards (Power BI, Looker Studio) and apply security, governance, andGDPRcompliance best practices on GCP.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km), Lille (up to 50km), Marseille (up to 50km), Lyon (up to 50km), Brest (up to 50km)
Experience
- Carrefour FranceAnalytics EngineerOctober 2024 - October 2025 (1 year)Mondeville, FranceCarrefourAnalytics Engineer mission within a large-scale GCP data environment. Involved in the design and industrialization of batch and streaming data pipelines, as well as the structuring of analytical data for BI use.Participated in the implementation of modern data architectures on Google Cloud Platform, with a clear separation of raw, staging, and analytics layers to ensure the readability, maintainability, and reliability of processes.On the batch side, developed ingestion and transformation processes, performed analytical modeling in BigQuery, and optimized performance (partitioning, clustering, cost control). Pipelines are orchestrated and automated to ensure reliable and reproducible processing.On the streaming side, implemented event-driven flows for real-time or near real-time data processing, managing time windows, event delays, and recovery mechanisms.Key role in analytics engineering: designing robust analytical models, creating BI-ready data marts, and maintaining constant focus on data quality and consistency.Data is exposed via Looker, with the creation and maintenance of semantic layers (LookML) and performant explores, facilitating user adoption.Worked in an industrialized, version-controlled environment, applying GCP best practices for security, performance, and governance.
- CHU de Lille,Apprentice Data AnalystHEALTH AND WELLNESSSeptember 2022 - August 2024 (1 year and 11 months)Lille, FranceExtraction, processing, and analysis of medical data from the national PMSI MCO database and the local PMSI database of the Lille University Hospital.• Conception of SQL queries and Python scripts to automate the extraction, cleaning, and transformation of hospital data.• Implementation of statistical methods to measure hospital activity, length of stay, and performance indicators by department.• Creation of Power BI / RShiny dashboards and didactic synthesis of results for the medical directorate and the performance unit.
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Education
- Master 2 Data Project Manager & Artificial IntelligenceGema2025Master 2 Chef de Projet Data & Intelligence Artificielle
- Bachelor's Degree in Pure MathematicsUniversité Polytechnique HF2022Licence 3 Mathématiques pures
Certifications
- Professional Data EngineerGoogle