About Josias
French
Native or bilingual
English
Conversational
Experience
- Aéroport de Nantes AtlantiqueData AnalystAVIATION AND AEROSPACEFebruary 2026 - April 2026 (2 months)Nantes, FranceAnalysis of passenger flows and peak activity. Advanced Excel (Power Query), SQL for extractions. Extraction and preparation of operational data. Production of analyses to improve passenger flow and experience.
- Fnac DartyData analystRETAIL (SMALL BUSINESS)September 2023 - Today (2 years and 9 months)Ivry-sur-Seine, France- Analyze sales and commercial results using statistics.- Propose relevant key performance indicators (KPIs) to help clients better manage their business.- Ad-hoc analyses to meet specific needs and interpret results considering the business context.- Collaborate with different departments to understand their needs and propose appropriate solutions.- Conduct specific and in-depth analyses related to product data quality issues.
- ALTENFunctional Analyst ConsultantCONSULTING AND AUDITSOctober 2022 - August 2023 (10 months)Toulouse, France- Lead technical meetings with clients to fully understand their needs.- Perform unit tests and resolve data anomalies identified during acceptance testing phases.- Create and build KPIs to measure the performance of proposed solutions.
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Education
- Master of Data ScienceIA SCHOOL2022Manipulation et traitement de données avec SQL, Python et R Conception de modèles de données, gestion de bases relationnelles
- Master 1 & 2Université Paris Nanterre2021Traitement et structuration de données via SQL et fichiers plats (CSV, TXT) Modélisation économétrique et statistique (régressions, séries temporelles, ACP, classification) Validation de modèles et contrôle qualité des données