Freelancer profile translated to English.
Back to original languageAbout Hélène
Need clarity in your numbers? Let's turn your data into decisions.
Microsoft Certified PL-300, I create your Power BI dashboards from A to Z to automate your reporting and manage your business in real-time.
My expertise:
- Data Prep: Cleaning and connecting your sources (Excel, SQL, ERP) via Power Query.
- DAX Analysis: Creating complex measures and calculations for your KPIs.
- Dataviz: Designing intuitive, modern, and ready-to-use reports.
The bonus: A rigorous methodology inherited from my Microsoft certification for powerful and scalable tools.
Have a project? Contact me to discuss it, I respond in less than an hour.
French
Native or bilingual
English
Fluent
Armenian
Native or bilingual
Remote only
Primarily works remotely
Experience
- Craft AIAI & RAG DeveloperTECHSeptember 2025 - December 2025 (3 months)94800 Villejuif, France• • Design of an AI Legal Chatbot:• • RAG System (Mistral AI): Architecture for contextualized answers sourced from legal texts.• • Automated Query Pipeline: Extraction of keywords and querying the Légifrance API for article selection.• • Knowledge Base
- KeyrusData Scientist, Academic ConsultingBANKING AND INSURANCEOctober 2024 - March 2025 (5 months)Cachan, France• • Generative AI for the insurance sector:• • Population Simulation: Synthetic data generation model to refine pricing models.• • Business Constraints: Integration of user filters to ensure generated dataset compliance.• • Streamlit Interface: Development of a simplified interaction tool for data generation.
- Consult-TrendLead Data AnalystFASHION AND COSMETICSMay 2024 - July 2024 (2 months)Nice, France• • Lead of 30 interns: Managed a multidisciplinary team and project deliverables.• • Data Prep (300k rows): Cleaning and manipulation via Python (Pandas) to ensure data quality.• • Power BI Dashboard: Visualization of strategic insights for creative decision-making support (designers).
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Education
- Master IA & Data ScienceAivancity, School for AI & Data for Business & Society2028Master IA & Data Science
Certifications
- Power BI Data Analyst Associate (PL - 300)Microsoft2025