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Doha Elnagar
@doha_mamdouh
Egypt
Arabic, English, French
About me
I am a Data Science & AI Evaluation Specialist.
I help businesses and developers transform raw data into clear insights and reliable AI systems.
My Key Services:
Data Cleaning: Fixing duplicates, missing values, and formatting errors (CSV, Excel, JSON).
Business Analytics: Calculating AOV, CLV, Cohort analysis, and Churn/Retention metrics.
AI Output Evaluation: Benchmarking AI responses (RLHF style) for accuracy, logic, and prompt tuning.
Statistical Analysis: Anomaly detection, A/B testing, and predictive insights.
Why Choose Me? High precision, structured documentation, and fast delivery!
Skills
Doha Elnagar
Offline •
Average response time: 1 hour
See my services
Product Analytics
I will data cleaning, data analysis, ai evaluation,audit, clean, and format your
Portfolio
Work experience
data entry
Freelancing Career • Freelance
Oct 2025 - Present • 10 mos
(Commercial & Data Services Representative) Job Title: Data Quality & Commercial Services Specialist Company / Organization: Independent Consultant Period: 2021 – Present Description: Evaluated commercial data systems, verifying classification categories and operational compliance. Managed automated data preprocessing, trend forecasting, and time-series anomaly detection for client reports. Reviewed AI model responses to improve accuracy, prompt responsiveness, and structured outputs.
