Freelancer profile translated to English.
Back to original languageAbout Benjamin
🎯 Senior Data Analyst specializing in SQL, dbt, BigQuery (GCP)
I help startups, scaleups, and mid-sized companies structure, optimize, and make their data reliable, with a strong focus on SQL performance, Data Quality, Cloud cost management, and data documentation.
đź“Ś What I do for you (concretely)
1. SQL Extraction, Modeling & Analysis
Multi-source extraction (BigQuery, PostgreSQL, API, files)
Modeling and structuring for fast and reliable analyses
Automation of queries, pipelines, and analysis workflows
2. SQL & BigQuery Performance Optimization
Reducing query execution time
Schema, partition, and clustering optimization
Implementing SQL best practices to limit errors and speed up analyses
3. Data Quality & Governance
Anomaly detection and correction
Building business rules + documentation
Implementing automated quality checks
Data normalization for reliable reporting
4. FinOps Data (GCP / BigQuery)
Detailed analysis of Cloud costs
Query optimization to reduce consumption
Improving pipelines and storage
Implementing alerts and best practices to prevent cost overruns
5. Business Data Visualization & Reporting
Creating clear, decision-oriented dashboards
Setting up KPIs (Product, Finance, Regulatory, Marketing)
Automation and industrialization of reporting
đź’Ľ Regulatory Specialization
Experience in environments with strict regulatory constraints (banking, insurance, finance).
Ensuring compliance, data reliability, and traceability.
🧩 Why work together?
SQL / BigQuery Expert
Dual expertise: Analyst & Cloud Optimization (FinOps)
Business & ROI-oriented approach
Clear communication with technical and non-technical teams
đź’¬ Available for one-off or long-term engagements.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- NickelCloud Data Analyst - Regulatory projects - Nickel (BNP Paribas Group)BANKING AND INSURANCEMay 2022 - Today (4 years and 3 months)Paris, FranceContext:Mission carried out for a regulatory center of a large banking group, with a focus on data quality, workflow automation, and multi-country regulatory compliance.Mission:âś… Analysis and processing of regulatory data (FICOBA, Eckert, reimbursements, fraud) in several European countries.âś… Improvement of data quality, transformation of flows, and automation of workflows (GCP, dbt, GitLab).âś… Creation of dashboards in Looker Studio for business steering and flow control.
- NATANData Analyst - ScientistCONSULTING AND AUDITSJanuary 2022 - May 2022 (4 months)Paris, FranceContext:Data mission combining exploratory analysis and machine learning modeling in a cloud environment, serving high-stakes business use cases.Mission:âś… Design of interactive dashboards (Power BI, Looker) for visualization and monitoring of key indicators.âś… Cleaning, preprocessing, and structuring of complex data for analysis and modeling.âś… Development of machine learning models (regression, classification, clustering) and deep learning (CNN, RNN).âś… Implementation of model interpretability tools (SHAP) to facilitate business decision-making.
- La France MutualisteData - Business AnalystBANKING AND INSURANCEMarch 2020 - January 2022 (1 year and 10 months)Paris, FranceContext:Change management mission as part of the migration of a document management system (GED) to KELIA, integrating an artificial intelligence layer.Mission:âś… Project management for the migration to KELIA, coordinating business and IT teams.âś… Facilitating user workshops and writing functional specifications.âś… Monitoring and controlling data flows (volume, consistency, traceability) to ensure a reliable and controlled migration.âś… Functional acceptance testing, reporting, and analysis with Tableau.
Reviews
Recommendations
FU
+4
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Education
- Master MIAGE (Information Systems Management Applied Computer Methods)Université Paris 122015