Freelancer profile translated to English.
Back to original languageAbout Katia
Data Analyst in finance, specializing in data preparation, analysis, and decision-making reporting. Strong command of Power BI (Power Query, DAX), SQL, and Alteryx, with an approach focused on data quality, automation, and decision support.
French
Native or bilingual
English
Fluent
Arabic
Native or bilingual
Can work on-site
Paris (up to 20km)
Experience
- FreelanceDATA ANALYSTNovember 2024 - Today (1 year and 9 months)• Analyze data with an end-to-end approach, from extraction to delivery, on datasets from 3 to 5 sources• Prepare and validate data upstream using Alteryx, by designing workflows integrating data quality rules (completeness, consistency, uniqueness) on volumes of several thousand records• Explore databases and perform SQL queries (via DBeaver) for table analysis, control implementation, and data validation (10+ recurring queries)• Format and model data for reporting via Power BI: preparation in Power Query, development of 20+ KPIs via DAX, and presentation through 5 to 8 decision-making dashboards• Automate recurring processing and reporting, enabling a 30% to 50% reduction in production time and an improvement in analysis reliability
- Natixis CIBDATA ANALYSTSeptember 2023 - October 2024 (1 year and 1 month)• Implement data quality controls within a regulatory framework (BCBS 239 and IFRS), aiming for anomaly detection, data reliability, and traceability• Prepare and validate data upstream through ETL processes (Amadéa / Alteryx, SQL queries) to feed controls and reports• Analyze and qualify identified anomalies, then participate in remediation campaigns in conjunction with business and IT teams• Present control results via Power BI dashboards (Power Query, DAX) for monitoring quality indicators (DQI, anomalies, statuses)• Conduct a data/AI POC: automated data extraction from PDF documents via OCR and NLP
- SOCIETE GENERALECORPORATE CREDIT ANALYSTApril 2021 - November 2021 (7 months)• Analyze the repayment capacity of companies based on financial data and risk indicators• Structure and present analyses in the form of summary reports and monitoring tables (Excel / Power BI) for the credit committee
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Education
- Master in Big Data & Data Science in FinanceESG Finance2025
Certifications
- AMF CertificationLefebvre dalloz2026