GCP Data & BI Consultant | SQL, BigQuery, Looker, Power BI | Tech Lead & Business Analysis

Paris-based freelance GCP Data Engineer, Tech Lead and Data/BI Consultant with 7+ years across software development, data science and enterprise cloud data platforms. Google Cloud Professional Cloud Architect and Professional Data Engineer certifications obtained in 2022. Master's in Data Science (Universite Grenoble Alpes) and Computer Science engineering degree (ENSIMAG).

Core expertise: SQL and BigQuery, data modelling and star schemas, performance optimisation, Python/FastAPI, Cloud Run, Cloud Storage, Cloud Composer/Airflow, Cloud Workflows, IAM, Apigee, Terraform and GitHub/Cloud Build CI/CD. Business analysis, requirements workshops, data products, reporting and communication with international business and technical stakeholders.

Enterprise references:

- L'Oreal: Tech Lead across 10 GCP supply-chain data products, covering warehouse KPIs, stock visibility, replenishment and inter-company logistics. Architecture, data contracts, technical roadmap and requirements workshops with Product Owners and international stakeholders.

- L'Oreal: led optimisation of a BigQuery + Power BI reporting product; reduced refresh/load times from 114 seconds to 8 seconds through data-model and query optimisation. Integrated the Power BI reporting layer on another GCP data product.

- Matmut: GCP/FinOps referent; cloud-cost analysis, BigQuery slot strategy, storage tiering, tagging/chargeback and a global FinOps report in Looker. Supported cost reductions on Cloud Run, Airflow/Composer and Cloud Storage.

- IBM Consulting / L'Oreal: platform delivery leadership across two cross-functional squads, approximately 20 people; backlog, stakeholder management, governance and production delivery.

Services: GCP data architecture and engineering, SQL analytics and optimisation, reporting data models, business/data analysis, FinOps, Terraform/DevOps and technical/agile delivery leadership.

English C2 and native French. Remote-first from Paris, with occasional business travel within Europe. Start date and scope agreed for each assignment.