Data Analyst | Analytics Engineer | Data Scientist
Data Analyst with a Master's in Data Science and hands-on experience building end-to-end analytics pipelines, BI dashboards, and AI-powered applications. I turn complex data into actionable business insights.
- 🔭 Currently working as Business Data Analyst at byFood.com (Tokyo, Japan - Remote)
- 🎓 Master's in Data Science from University of Algiers 1
- 🌱 Building production RAG applications + analytics pipelines
- 💼 Open to Analytics Engineering & Data Analytics opportunities
- 🌍 Fluent in Arabic, French, and English (C1)
Quick Highlights:
- 🎓 Master's in Data Science
- 💼 Hands-on analytics experience across research, retail, and startup environments
- 📊 91M+ rows processed | 99.8% data reduction
| Category | Technologies |
|---|---|
| Cloud & Data Warehouse |  |
| BI & Visualization |   |
| Languages |   |
| AI/ML |   |
| RAG & LLMs | ChromaDB, Gemini, Groq |
| Tools |   |
91M rows → BigQuery → Looker Studio | 99.8% data reduction | $0 query costs
- Aggregated 91M NYC taxi trips into a 120K-row master data mart
- Built interactive Looker Studio dashboard with 100% cross-filtering
- Uncovered insights: Manhattan's 85% market share, cashless payment acceleration post-2020
Python | Power BI | Scikit-learn | XGBoost
- Analyzed 100K+ Brazilian orders with interactive Power BI dashboard
- Built a predictive pipeline to forecast order delays before shipment, handling severe class imbalance (only 6.4% of orders were delayed)
- Compared Random Forest (17% precision, minimizing false alarms) vs. XGBoost (54% recall via
scale_pos_weight, catching over half of all actual delays) to evaluate the precision-recall trade-off - Identified
freight_value,product_weight_g, andpriceas the strongest predictors of delivery disruption
BigQuery | ChromaDB | Gemini | Groq | Streamlit
- Production RAG app enabling natural language querying of databases
- Schema embeddings with ChromaDB, Gemini for context retrieval
- Dual-layer security: text-level guardrails + read-only database sandbox
- Deployed on Streamlit Cloud with live demo
🔗 Live Demo → olist-text-to-sql-ai.streamlit.app
| Role | Company | Period | Type |
|---|---|---|---|
| Business Data Analyst | byFood.com (Tablecross Inc.) | Nov 2025 - Present | Remote Contractor |
| Analytics Operations Assistant | Smollan North Africa | Sep 2025 - Nov 2025 | Contract |
| Data Scientist Intern | CERIST Research Center | Dec 2024 - Jun 2025 | Internship |
Key achievements:
- Automated reports with Python at byFood → 70% reduction in manual reporting time
- Built 3D lung model at CERIST → 20% faster segmentation, 12% better accuracy
| Degree | Field | University | Year |
|---|---|---|---|
| Master's | Data Science | University of Algiers 1 | 2025 |
| Bachelor's | Applied Mathematics | University of Algiers 1 | 2023 |
| Language | Proficiency |
|---|---|
| Arabic | Native |
| French | Fluent |
| English | C1 (Professional) |
| German | Learning |
⭐️ Feel free to explore my repositories and connect with me!