Freelancer profile translated to English.
Back to original languageAbout Michel Waly
Data Engineer with 3 years of experience in the Microsoft Azure and Databricks ecosystem, I am involved in the design and development of robust and scalable data pipelines: ingestion, transformation, orchestration, and modeling.
I have recently worked on generative AI projects (RAG) integrating Azure OpenAI, Azure AI Search with the implementation of document processing systems (chunking, embedding, vector indexing).
Key skills:
Python, PySpark, SQL
Azure Data Factory, Databricks
Azure OpenAI & RAG architectures
Terraform & infrastructure deployment
PostgreSQL & data modeling
Power BI & automation
Accustomed to demanding environments and long-term assignments, I am available for Data / Cloud / GenAI projects.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- Capgemini, Projet AgenticAI – SAV bancaireData EngineerBANKING AND INSURANCENovember 2025 - February 2026 (3 months)Issy-les-Moulineaux, FranceInnovation project aimed at improving banking after-sales service through generative AI-based conversational agents. Implementation of an Azure cloud architecture integrating retrieval-augmented generation (RAG) mechanisms. Creation and configuration of Azure resources (Azure OpenAI, Azure AI Search, Azure Blob Storage). Development of scripts for processing, chunking, and embedding documents for a RAG system (LangChain, Azure OpenAI).• • Management of indexes in a vector search engine (Azure AI Search)
- Capgemini,pour Île-de-France MobilitésData EngineerTRANSPORTATIONJune 2025 - November 2025 (5 months)Issy-les-Moulineaux, FranceData project aimed at migrating data from the Oracle database to the PostgreSQL database. Design and modeling of the PostgreSQL database. Development of feeding and transformation scripts on Databricks (Python).• • Implementation of data processing workflows on Databricks.• • Deployment of data infrastructure via Terraform.
- CGI, pour MichelinData EngineerAUTOMOBILEApril 2022 - December 2024 (2 years and 8 months)Clermont-Ferrand, FranceAssignment dedicated to the industrialization of the monthly restitution of Power BI reports for several clients. Implementation of processing chains allowing data extraction from different sources, their transformation via Python on Databricks, and their use for automated calculation of performance indicators.• Development of extraction pipelines from different sources (Azure Data Factory, SSMS, Azure Data Lake Storage).• Implementation of data ingestion processes (Databricks, Python/PySpark).• Development of interactive dashboards for KPI monitoring (Databricks, Power BI).• Orchestration of data pipelines via Azure Data Factory.• Automation of Power BI report distribution (Power Automate).• Training sessions on Power BI for business teams.
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Education
- Certified Data Engineer AssociateDatabricks2025Certified Data Engineer Associate
- Associate Developer for Apache Spark 3.0 (Python)Databricks2025Associate Developer for Apache Spark 3.0 (Python)