👋 Hello, I'm
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I turn raw, messy data into clear stories and smart decisions — from SQL queries and statistical models to security audits and AI training.
I'm a Data Analyst rooted in Applied Statistics, driven by a singular goal: transforming complex, messy data into clear, revenue-driving strategies. I look beyond the surface level of numbers to find the narrative that actually matters to a business.
Armed with a modern stack—SQL, Python, and Power BI—I focus on real-world impact. Whether I'm discovering that 43.4% of a digital store's catalog is untouched to drive cross-selling strategies, or pinpointing that the top 25% of Cairo Airbnb listings hoard 61.4% of the market's revenue to guide investments, I turn raw numbers into measurable business advantages.
{
"name": "Elsayed Abdalla Koweidah",
"role": "Data Analyst",
"base": "Mansourah, EG 🇪🇬",
"focus": [
"Data Analysis", "Data Engineering",
"AI Training", "Security"
],
"stack": ["SQL", "Python", "Power BI", "Excel"],
"openToWork": true
}A rigorous academic grounding in quantitative analysis and mathematical problem-solving. My coursework dives deep into core data science foundations, including Regression Analysis, Time Series, Experimental Design, and Probability Theory. This provides the theoretical backing for my data-driven strategies and advanced analytical models.
Three toolkits, one goal: turning questions into answers.
Data doesn't speak for itself — these are the skills that make it sing.
From broken datasets to board-ready strategies.
Diagnosing and resolving corrupted datasets, fixing column shifts, handling encoding artifacts, and standardizing messy data using Python (Pandas and NumPy).
Executing complex queries across relational databases (PostgreSQL, MySQL) to uncover revenue bottlenecks, map customer behavior, and formulate evidence-backed growth strategies.
Translating raw numbers into interactive, executive-ready Power BI dashboards and detailed Excel presentations that make performance metrics immediately understandable.
A full investment analysis of 100 active Cairo Airbnb listings, built on a PostgreSQL + Python + Power BI pipeline. Before any analysis could run, I diagnosed and repaired a corrupted raw dataset — column-shifted rows, leaked fields and encoding corruption — then used the clean data to uncover what actually separates winning listings from losing ones, turning it into a buy–price–operate playbook for investors.
A deep dive into a digital media store's multi-year sales data using advanced MySQL queries and Excel. I mapped sales performance, customer distribution and catalog utilization — then turned the findings into a growth strategy that required zero new inventory.
End-to-end penetration test of the "Audiohat" application: vulnerability discovery, risk assessment and a detailed remediation report handed to the dev team.
Client work · Dec 2024 · Under NDAOngoing freelance mission with Alignerr: evaluating technical and linguistic LLM outputs, feeding high-quality human feedback into model training loops.
Alignerr · Dec 2025 — PresentThree years of freelance digital marketing: promotional content, customer-data analysis and sales optimization for a range of digital products.
Freelance · Mar 2023 — PresentImproving LLM accuracy and reasoning through RLHF projects; evaluating technical and linguistic AI outputs for training quality.
Intensive program on data architecture, ETL processes and database management — building scalable data pipelines with modern tooling.
120-hour professional program applying data processing, statistical analysis and visualization to real business problems.
Human-resources information systems and organizational development within one of Egypt's youth entities.
72-hour applied cybersecurity program with EG-CERT and official partners — industry-standard protocols and technologies.
Full security audit of the Audiohat app: identified vulnerabilities and delivered detailed remediation reports to the dev team.
Identified M&A targets for offshore expansion, analyzed debt financing and spotted strategic trading opportunities.
Designing and running full marketing strategies for digital products — content, customer-data analysis and sales optimization.
Where the numbers obsession became a profession. General grade: Excellent.
Huawei Cloud Developer
Cert No. HWENDCTEDA670170IBM SkillsBuild
Feb 2026National Telecommunication Institute
Aug 2025MEC Academy
Apr 2025ITI Mahara-Tech
Jan 2026ALX
Mar 2025ITIDA & EYouth
3-month programMEC Academy — Intro
Mar 2024Google & Banque Misr
2025Contributing to human-resources information systems and organizational development — because data skills matter outside the office too.
Ownership, clarity and calm under pressure. I turn ambiguous problems into plans, and plans into shipped results.
Have data that needs a story? A product that needs growth? An idea that needs a brain?
My inbox is always open.
